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Appendix I
Compilation of Reports Describing Temporal Trends in Water Quality Data in the Upstream San
Joaquin River
Remie Burks1
Chelsea Spier1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Ave, Sears Hall
Stockton, CA 95211
Department of Land, Air, and Water Resources University of California, Davis
Davis, CA
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Temporal Plots of 2005-2007 Total Phosphorus Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific, 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of total phosphorus (Tot-P) data analyzed by the UCD Dahlgren laboratory from 2005-2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory were they were stored at -20°C until the analysis could be completed.
Tot-P was analyzed on unfiltered samples using the stannous chloride method after digestion using the SM 4500-P.D (APHA,2005). To digest, 5.0 mL of each sample was aliquotted into trace clean, 5.0 mL digestion reagent was added (10 g potassium persulfate, 6 g boric acid, and 3 g NaOH in 1000mL Millipore water) was added and then was autoclaved for 1 hour. After cooling, Tot-P was determined using the stannous chloride method.
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Results/DiscussionWith each set of Tot-P field samples analyzed in the UCD laboratory, quality assurance samples including a a field duplicate, a trip blank, and lab blanks were also analyzed. Between 2005 and 2007, 95.0% of all quality assurance samples were within a passing range (Borglin et al, 2008). Proficiency check samples, standards with unknown concentration to the laboratory analyst, were run approximately twice a year. Four proficiency check samples were analyzed for Tot-P in the UCD laboratory during 2005-2007, and all of these samples were found to be within the acceptable range. Samples were measured ranging from 0.01-6.34 mg/L Tot-P. The average concentration of Tot-P in water samples collected was 0.33 mg/L Tot-P. Tot-P was also analyzed by the EERP laboratory on all of the same water samples starting in late 2006 and has a high correlation to values measured by EERP. When all data points measured by the two labs are compared they have r2=0.951, and both labs have similar recovery rates. EERP measured 89.1% of Tot-P as UCD (Figure 2).
These temporal plots (Figures 3-104) as well as plotting EERP data against UCD’s data (Figure 2) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figure 2: EERP vs UCD Tot-P Data 2006-2007
1UCD Total P (mg/L)
0
2
4
6E
ER
P T
otal
P (m
g/L)
Y = 0.8909 * XNumber of data points used = 1031r2 = 0.950831
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Figures 3 -104: Temporal Plots of Tot-P By Site ID
1 53 105 157 209 261 313 365Day of the Year
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tal P
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L)2005
DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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2007 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2006 DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
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2005DO-25: MID Main Drain to Stan. R. via Miller Lake
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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Temporal Plots of 2005-2007 Total Nitrogen Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of total nitrogen (Tot-N) data analyzed by the UCD Dahlgren laboratory from 2005-2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory where they were stored at -20oC until Tot-N analysis could be completed.
Tot-N was determined using an automated membrane diffusion/conductivity detection method (Carlson, 1978, 1986; Carlson et al., 1990) from unfiltered sample following persulfate oxidation (Yu et al., 1994) using a 1% persulfate oxidant concentration, a sample:oxidant ratio of 1:1 (V/V), and heating in an autoclave. The limit of detection for this method was 50 ppb N.
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Results/DiscussionWith each set of Tot-N field samples analyzed in the UCD laboratory, quality assurance samples including a field duplicate, a trip blank, and lab blanks were also analyzed. 96.17% of all quality assurance samples were within a passing range (Spier et al, 2008). Proficiency check samples, standards with unknown concentration to the laboratory analyst, were run approximately twice a year. Twelve proficiency check samples were analyzed for Tot-N in the EERP laboratory during 2007, and nine of these samples were found to be within the acceptable range. Samples were measured ranging from 0.02-40.06 mg/L Tot-N. The average concentration of Tot-N found in samples collected was 4.39 mg/L Tot-N. Tot-N was also analyzed by the EERP laboratory on the same water samples starting in the summer of 2007and has a high correlation to values measured by EERP. When all data points measured by the two labs are compared they have r2=0.9896(Spier et al, 2008). Tot-N samples measured by EERP have about 101% as much Tot-N as the same samples measured by UCD (Figure 2).
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Carlson, R.M., R. Cabrera, J. Paul, J. Quick and R.Y. Evans. 1990. Rapid direct determination of ammonium and nitrate in soil and plant tissue extracts. Comm. Soil Sci. Plant Anal. 21:1519-1530.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Spier, C., Burks, R., Borglin, S.E. (2008) Comparison of Methods for Analyzing Ammonia, Nitrate and Total Nitrogen, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figure 2: UCD vs EERP Timberline Plot of Tot-N.
0 10 20 30 40 50UC Davis Total N (mg/L)
0
10
20
30
40
50EE
RP
Tim
berli
ne T
otal
N (m
g/L)
Y = 1.0103 * XNumber of data points used = 604r2 = 0.9896
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Figures 2 -103: Temporal Plots of Tot-N By Site ID
1 53 105 157 209 261 313 365Day of the Year
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1
2
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4To
tal N
(mg/
L)2005
DO-04: SJR at Mossdale
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2007 DO-04: SJR at Mossdale
Appendix I Page 49 of 1262 734
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7 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2005 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2006 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2007 DO-05: SJR at Vernalis-McCune Station
Appendix I Page 50 of 1262 735
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8 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2005DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2006 DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2007 DO-06: SJR at Maze
Appendix I Page 51 of 1262 736
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9 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2005DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2006DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2007 DO-07: SJR at Patterson
Appendix I Page 52 of 1262 737
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10 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2005DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2006DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2007DO-08: SJR at Crows Landing
Appendix I Page 53 of 1262 738
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11 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2005 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2006 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2007DO-10: SJR at Lander Avenue
Appendix I Page 54 of 1262 739
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12 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Tota
l N (m
g/L)
2005 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Tota
l N (m
g/L)
2006 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Tota
l N (m
g/L)
2007DO-12: Stanislaus River at Caswell Park
Appendix I Page 55 of 1262 740
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13 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2005 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2006 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2007DO-14: Tuolumne River at Shiloh Bridge
Appendix I Page 56 of 1262 741
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14 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2005 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2006 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2007DO-16: Merced River at River Road
Appendix I Page 57 of 1262 742
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15 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2005 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2007DO-18: Mud Slough near Gustine
Appendix I Page 58 of 1262 743
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16 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2005 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2007DO-19: Salt Slough at Lander Avenue
Appendix I Page 59 of 1262 744
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17 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2005 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2007DO-20: Los Banos Creek at Highway 140
Appendix I Page 60 of 1262 745
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18 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2005 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Tota
l N (m
g/L)
2007DO-21: Orestimba Creek at River Road
Appendix I Page 61 of 1262 746
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19 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2005 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2007DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 62 of 1262 747
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20 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6To
tal N
(mg/
L)
2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Tota
l N (m
g/L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2007DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 63 of 1262 748
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21 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Tota
l N (m
g/L)
2005 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Tota
l N (m
g/L)
2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Tota
l N (m
g/L)
2007DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 64 of 1262 749
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22 of 40
1 53 105 157 209 261 313 365Day of the Year
0
5
10
15
20
25
Tota
l N (m
g/L)
2005 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
5
10
15
20
25
Tota
l N (m
g/L)
2006 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
5
10
15
20
25
Tota
l N (m
g/L)
2007DO-29: Turlock ID Harding Drain
Appendix I Page 65 of 1262 750
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23 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Tota
l N (m
g/L)
2005 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Tota
l N (m
g/L)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Tota
l N (m
g/L)
2007DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 66 of 1262 751
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24 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2005DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2007DO-33: Hospital Creek
Appendix I Page 67 of 1262 752
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25 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2005 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2006 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2007DO-34: Ingram Creek Flow Station
Appendix I Page 68 of 1262 753
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26 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2005 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Tota
l N (m
g/L)
2007DO-36: Del Puerto Creek Flow Station
Appendix I Page 69 of 1262 754
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27 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Tota
l N (m
g/L)
2005 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Tota
l N (m
g/L)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Tota
l N (m
g/L)
2007DO-44: San Luis Drain End
Appendix I Page 70 of 1262 755
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28 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2005DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2006DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2007DO-53: Salt Slough at Wolfsen Road
Appendix I Page 71 of 1262 756
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29 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2005 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Tota
l N (m
g/L)
2007DO-57: Ramona Lake Drain at Levee
Appendix I Page 72 of 1262 757
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30 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2005 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
Tota
l N (m
g/L)
2007DO-59: SJR Laird Park
Appendix I Page 73 of 1262 758
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31 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2005 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2007DO-60: Moffit 1 South
Appendix I Page 74 of 1262 759
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32 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2005 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Tota
l N (m
g/L)
2007DO-61: Deadman's Slough
Appendix I Page 75 of 1262 760
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33 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2005 DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2007DO-62: Mallard Slough
Appendix I Page 76 of 1262 761
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34 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2005DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Tota
l N (m
g/L)
2007DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
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2
4
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g/L)
2005DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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2
4
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Tota
l N (m
g/L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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2
4
6
Tota
l N (m
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2007DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
g/L)
2005DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Tota
l N (m
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2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
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1
2
3
4
5
Tota
l N (m
g/L)
2007DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2005 DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.5
1
1.5
2
2.5
Tota
l N (m
g/L)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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0.5
1
1.5
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2.5
Tota
l N (m
g/L)
2007DO-82: South Marsh 3 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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0.4
0.8
1.2
1.6
2
Tota
l N (m
g/L)
2005 DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Tota
l N (m
g/L)
2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Tota
l N (m
g/L)
2007DO-83: South Marsh 3 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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2005DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
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2006DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
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2007DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Sulfate Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of sulfate (SO4) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring SO42- using a Dionex ICS-2000 Ion
Chromatograph (Dionex Corporation, Sunnyvale, CA) (SM-4110 B). The reportable limit for this method is 0.02 mg/L SO4
2- .
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Results/DiscussionSamples were measured ranging from 0.0-2108 mg/L SO4. The average concentration of SO4 in water samples collected was 213.9 mg/L SO4. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of SO4By Site ID
1 53 105 157 209 261 313 365Day of the Year
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120S
O4 (
mg/
L)2005
DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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120
SO
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2006 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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2007 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-05: SJR at Vernalis-McCune Station
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2007 DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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2005DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
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2006DO-06: SJR at Maze
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2007 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-07: SJR at Patterson
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2007 DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-08: SJR at Crows Landing
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2007DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-10: SJR at Lander Avenue
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2007DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
SO
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g/L)
2005 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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SO
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g/L)
2006 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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2007DO-12: Stanislaus River at Caswell Park
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1 53 105 157 209 261 313 365Day of the Year
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16S
O4 (
mg/
L)2005
DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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16
SO
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2006 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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2007DO-14: Tuolumne River at Shiloh Bridge
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
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2007DO-16: Merced River at River Road
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1 53 105 157 209 261 313 365Day of the Year
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mg/
L)2005
DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
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g/L)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
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2007DO-18: Mud Slough near Gustine
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1 53 105 157 209 261 313 365Day of the Year
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100
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g/L)
2005 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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SO
4 (m
g/L)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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SO
4 (m
g/L)
2007DO-19: Salt Slough at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
100
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300
400
500
SO
4 (m
g/L)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
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SO
4 (m
g/L)
2007DO-20: Los Banos Creek at Highway 140
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1 53 105 157 209 261 313 365Day of the Year
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SO
4 (m
g/L)
2005 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
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250
SO
4 (m
g/L)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
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4 (m
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2007DO-21: Orestimba Creek at River Road
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
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SO
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2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
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2007DO-23: Modesto ID Lateral 5 to Tuolumne
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1 53 105 157 209 261 313 365Day of the Year
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SO
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g/L)
2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
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40
SO
4 (m
g/L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
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2007DO-25: MID Main Drain to Stan. R. via Miller Lake
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-28: Turlock ID Westport Drain Flow Station
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2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
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g/L)
2007DO-28: Turlock ID Westport Drain Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-29: Turlock ID Harding Drain
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2006 DO-29: Turlock ID Harding Drain
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2007DO-29: Turlock ID Harding Drain
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2005 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-30: TID Lat 6 & 7 at River Rd.
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2007DO-30: TID Lat 6 & 7 at River Rd.
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-34: Ingram Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-36: Del Puerto Creek Flow Station
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2006 DO-36: Del Puerto Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-44: San Luis Drain End
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2006 DO-44: San Luis Drain End
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-53: Salt Slough at Wolfsen Road
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2006 DO-53: Salt Slough at Wolfsen Road
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-57: Ramona Lake Drain at Levee
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2007DO-57: Ramona Lake Drain at Levee
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-59: SJR Laird Park
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-60: Moffit 1 South
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2006 DO-60: Moffit 1 South
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-61: Deadman's Slough
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2006 DO-61: Deadman's Slough
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1 53 105 157 209 261 313 365Day of the Year
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O4 (
mg/
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DO-62: Mallard Slough
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2006DO-62: Mallard Slough
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-63: Inlet C Canal
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2006DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-80: South Marsh 1 Inlet
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2006DO-80: South Marsh 1 Inlet
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2007DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-82: South Marsh 3 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-83: South Marsh 3 Outlet
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2006DO-83: South Marsh 3 Outlet
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Temporal Plots of 2005-2007 Sodium Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of sodium (Na) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring Na+ using a Dionex ICS-2000 Ion Chromatograph (Dionex Corporation, Sunnyvale, CA) (ASTM D6919-03). The reportable limit for this method is 0.05 mg/L Na+ .
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Results/DiscussionSamples were measured ranging from 0.0-1043 mg/L Na. The average concentration of Na in water samples collected was 159.31 mg/L Na. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of Na By Site ID
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)
2006 DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2007 DO-07: SJR at Patterson
Appendix I Page 130 of 1262 815
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9 of 39
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)2005
DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2006 DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2007DO-08: SJR at Crows Landing
Appendix I Page 131 of 1262 816
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10 of 39
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12N
a (m
g/L)
2005 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Na
(mg/
L)
2006 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Na
(mg/
L)
2007DO-10: SJR at Lander Avenue
Appendix I Page 132 of 1262 817
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11 of 39
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12N
a (m
g/L)
2005 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Na
(mg/
L)
2006 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Na
(mg/
L)
2007DO-12: Stanislaus River at Caswell Park
Appendix I Page 133 of 1262 818
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12 of 39
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Na
(mg/
L)2005
DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Na
(mg/
L)
2006 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Na
(mg/
L)
2007DO-14: Tuolumne River at Shiloh Bridge
Appendix I Page 134 of 1262 819
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13 of 39
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Na
(mg/
L)2005
DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Na
(mg/
L)
2006 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Na
(mg/
L)
2007DO-16: Merced River at River Road
Appendix I Page 135 of 1262 820
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14 of 39
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800N
a (m
g/L)
2005 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
Na
(mg/
L)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
Na
(mg/
L)
2007DO-18: Mud Slough near Gustine
Appendix I Page 136 of 1262 821
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15 of 39
1 53 105 157 209 261 313 365Day of the Year
0
200
400N
a (m
g/L)
2005 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
200
400
Na
(mg/
L)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
200
400
Na
(mg/
L)
2007DO-19: Salt Slough at Lander Avenue
Appendix I Page 137 of 1262 822
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16 of 39
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
Na
(mg/
L)2005
DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
Na
(mg/
L)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
Na
(mg/
L)
2007DO-20: Los Banos Creek at Highway 140
Appendix I Page 138 of 1262 823
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17 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)2005
DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2007DO-21: Orestimba Creek at River Road
Appendix I Page 139 of 1262 824
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18 of 39
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80N
a (m
g/L)
2005 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
Na
(mg/
L)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
Na
(mg/
L)
2007DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 140 of 1262 825
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19 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)2005
DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2007DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 141 of 1262 826
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20 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)2005
DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2007DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 142 of 1262 827
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21 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)2005
DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2006 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2007DO-29: Turlock ID Harding Drain
Appendix I Page 143 of 1262 828
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22 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)2005
DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2007DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 144 of 1262 829
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23 of 39
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
100
Na
(mg/
L)2005
DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
100
Na
(mg/
L)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
100
Na
(mg/
L)
2007DO-33: Hospital Creek
Appendix I Page 145 of 1262 830
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24 of 39
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)2005
DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)
2006 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)
2007DO-34: Ingram Creek Flow Station
Appendix I Page 146 of 1262 831
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25 of 39
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)2005
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2007DO-36: Del Puerto Creek Flow Station
Appendix I Page 147 of 1262 832
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26 of 39
1 53 105 157 209 261 313 365Day of the Year
0
400
800
1200
Na
(mg/
L)2005
DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
400
800
1200
Na
(mg/
L)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
400
800
1200
Na
(mg/
L)
2007DO-44: San Luis Drain End
Appendix I Page 148 of 1262 833
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27 of 39
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)2005
DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2007DO-53: Salt Slough at Wolfsen Road
Appendix I Page 149 of 1262 834
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28 of 39
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)2005
DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Na
(mg/
L)
2007DO-57: Ramona Lake Drain at Levee
Appendix I Page 150 of 1262 835
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29 of 39
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)2005
DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)
2007DO-59: SJR Laird Park
Appendix I Page 151 of 1262 836
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30 of 39
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2007DO-60: Moffit 1 South
Appendix I Page 152 of 1262 837
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31 of 39
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)2005
DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2007DO-61: Deadman's Slough
Appendix I Page 153 of 1262 838
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32 of 39
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)2005
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
200
400
600
800
1000
Na
(mg/
L)
2007DO-62: Mallard Slough
Appendix I Page 154 of 1262 839
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33 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
200
Na
(mg/
L)
2007DO-63: Inlet C Canal
Appendix I Page 155 of 1262 840
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34 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2007DO-80: South Marsh 1 Inlet
Appendix I Page 156 of 1262 841
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35 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160N
a (m
g/L)
2005 DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)
2007DO-81: South Marsh 1 Outlet
Appendix I Page 157 of 1262 842
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36 of 39
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)2005
DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2007DO-82: South Marsh 3 Inlet
Appendix I Page 158 of 1262 843
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37 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Na
(mg/
L)2005
DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
400
Na
(mg/
L)
2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
50
100
150
200
250
Na
(mg/
L)
2007DO-83: South Marsh 3 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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DO-95: Ramona Lake Entrance
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2006DO-95: Ramona Lake Entrance
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2007DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Potassium Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of potassium (K) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring K+ using a Dionex ICS-2000 Ion Chromatograph (Dionex Corporation, Sunnyvale, CA) (ASTM D6919-03). The reportable limit for this method is 0.05 mg/L K2+ .
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Results/DiscussionSamples were measured ranging from 0.0-54.7 mg/L K. The average concentration of K in water samples collected was 5.24 mg/L K. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of K By Site ID
1 53 105 157 209 261 313 365Day of the Year
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DO-04: SJR at Mossdale
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g/L)
2006 DO-04: SJR at Mossdale
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2007 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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DO-05: SJR at Vernalis-McCune Station
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2006 DO-05: SJR at Vernalis-McCune Station
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2007 DO-05: SJR at Vernalis-McCune Station
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2005 DO-06: SJR at Maze
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2006 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-07: SJR at Patterson
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2006 DO-07: SJR at Patterson
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2007 DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-08: SJR at Crows Landing
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2006DO-08: SJR at Crows Landing
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2007DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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12K
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DO-10: SJR at Lander Avenue
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2006 DO-10: SJR at Lander Avenue
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2007DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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g/L)
2006 DO-12: Stanislaus River at Caswell Park
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2007DO-12: Stanislaus River at Caswell Park
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-14: Tuolumne River at Shiloh Bridge
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2007DO-14: Tuolumne River at Shiloh Bridge
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-16: Merced River at River Road
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2007DO-16: Merced River at River Road
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-18: Mud Slough near Gustine
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2006 DO-18: Mud Slough near Gustine
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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g/L)
2006 DO-19: Salt Slough at Lander Avenue
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2007DO-19: Salt Slough at Lander Avenue
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g/L)
2005 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2006 DO-20: Los Banos Creek at Highway 140
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g/L)
2007DO-20: Los Banos Creek at Highway 140
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1 53 105 157 209 261 313 365Day of the Year
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g/L)
2005 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
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g/L)
2006 DO-21: Orestimba Creek at River Road
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2007DO-21: Orestimba Creek at River Road
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1 53 105 157 209 261 313 365Day of the Year
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6K
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DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
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K (m
g/L)
2007DO-23: Modesto ID Lateral 5 to Tuolumne
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K (m
g/L)
2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2007DO-25: MID Main Drain to Stan. R. via Miller Lake
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1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2005 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2006 DO-28: Turlock ID Westport Drain Flow Station
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40
K (m
g/L)
2007DO-28: Turlock ID Westport Drain Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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30
K (m
g/L)
2005 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2006 DO-29: Turlock ID Harding Drain
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K (m
g/L)
2007DO-29: Turlock ID Harding Drain
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1 53 105 157 209 261 313 365Day of the Year
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4
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12
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K (m
g/L)
2005 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
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16
K (m
g/L)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
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K (m
g/L)
2007DO-30: TID Lat 6 & 7 at River Rd.
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1 53 105 157 209 261 313 365Day of the Year
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2
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6
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K (m
g/L)
2005 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
K (m
g/L)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
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2
4
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8
K (m
g/L)
2007DO-33: Hospital Creek
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1 53 105 157 209 261 313 365Day of the Year
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12K
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L)2005
DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
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12
K (m
g/L)
2006 DO-34: Ingram Creek Flow Station
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0
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K (m
g/L)
2007DO-34: Ingram Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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12K
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L)2005
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
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K (m
g/L)
2007DO-36: Del Puerto Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
K (m
g/L)
2005 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
K (m
g/L)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
K (m
g/L)
2007DO-44: San Luis Drain End
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2005 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2007DO-53: Salt Slough at Wolfsen Road
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2005 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2007DO-57: Ramona Lake Drain at Levee
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12K
(mg/
L)2005
DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Na
(mg/
L)
2007DO-59: SJR Laird Park
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1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2005 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
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2
4
6
8
10
K (m
g/L)
2007DO-60: Moffit 1 South
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2005 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2007DO-61: Deadman's Slough
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1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
K (m
g/L)
2005 DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
K (m
g/L)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
K (m
g/L)
2007DO-62: Mallard Slough
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1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8K
(mg/
L)2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
K (m
g/L)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
K (m
g/L)
2007DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8K
(mg/
L)2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
K (m
g/L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
K (m
g/L)
2007DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2005 DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2007DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2005 DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
K (m
g/L)
2007DO-82: South Marsh 3 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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4
8
12K
(mg/
L)2005
DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
K (m
g/L)
2007DO-83: South Marsh 3 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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2
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6
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K (m
g/L)
2005 DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2006DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
10
K (m
g/L)
2007DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Nitrate Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of dissolved nitrate (NO3-N)data analyzed by the UCD Dahlgren laboratory from 2005-2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples for NO3-N and ammonia (Soluble NO3-N and Soluble NH3-N ) were transported from the EERP laboratory to the UCD laboratory where they were filtered through a pre-rinsed, 0.22 µm polycarbonate membrane (Millipore IsoporeTM), and then stored at -20oC until NO3-N analysis could be completed.
NO3-N and Soluble NH3-N were quantified simultaneously using an automated membrane diffusion/conductivity detection method (Carlson, 1978, 1986; Carlson et al., 1990). The limit of detection for this method was 50 ppb N.
Results/Discussion
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With each set of NO3-N field samples analyzed in the UCD laboratory, quality assurance samples including a field duplicate, a trip blank, and lab blanks were also analyzed. 100% of all quality assurance samples were within a passing range (Borglin et al, 2008). Proficiency check samples, standards with unknown concentration to the laboratory analyst, were run approximately twice a year. Five proficiency check samples were analyzed for NO3-N in the EERP laboratory during 2007, and all of these samples were found to be within the acceptable range. Samples were measured ranging from 0.0-36.4 mg/L NO3-N. The average concentration of NO3-N in water samples collected was 3.55 mg/L NO3-N. NO3-N was also analyzed by the EERP laboratory on the same water samples starting in the summer of 2007, and has a high correlation to values measured by EERP. When all data points measured by the two labs are compared they have r2=0.983(Spier et al, 2008). NO3-N samples measured by EERP have about 89.3% as much NO3-N as the same samples measured by UCD (Figure 2).
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Carlson, R.M., R. Cabrera, J. Paul, J. Quick and R.Y. Evans. 1990. Rapid direct determination of ammonium and nitrate in soil and plant tissue extracts. Comm. Soil Sci. Plant Anal. 21:1519-1530.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Spier, C., Burks, R., Borglin, S.E. (2008) Comparison of Methods for Analyzing Ammonia, Nitrate and Total Nitrogen, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figure 2: UCD vs EERP Timberline Plot of NO3-N.
0 5 10 15 20 25UC Davis N-NO3 (mg/L)
0
4
8
12
16
20E
ER
P N
-NO
3 (m
g/L)
Y = 0.8928* XNumber of data points used = 150r2 = 0.9832
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Figures 2 -103: Temporal Plots of Dissolved NO3-N By Site ID
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3N
itrat
e (m
g/L
N-N
O3)
2005 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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1
2
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Nitr
ate
(mg/
L N
-NO
3)
2007 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)2005
DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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2
3
4
Nitr
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(mg/
L N
-NO
3)
2007 DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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1
2
3
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Nitr
ate
(mg/
L N
-NO
3)2005
DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
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1
2
3
4
Nitr
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(mg/
L N
-NO
3)
2007 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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6
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Nitr
ate
(mg/
L N
-NO
3)2005
DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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6
8
Nitr
ate
(mg/
L N
-NO
3)
2007 DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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6
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Nitr
ate
(mg/
L N
-NO
3)2005
DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
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(mg/
L N
-NO
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2007 DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
0
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6
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ate
(mg/
L N
-NO
3)2005
DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
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Nitr
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(mg/
L N
-NO
3)
2007DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)2005
DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2007DO-12: Stanislaus River at Caswell Park
Appendix I Page 212 of 1262 897
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13 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)2005
DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2007DO-14: Tuolumne River at Shiloh Bridge
Appendix I Page 213 of 1262 898
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14 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2005 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)
2007DO-16: Merced River at River Road
Appendix I Page 214 of 1262 899
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15 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)2005
DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)
2007DO-18: Mud Slough near Gustine
Appendix I Page 215 of 1262 900
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16 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)2005
DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-19: Salt Slough at Lander Avenue
Appendix I Page 216 of 1262 901
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17 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)2005
DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2007DO-20: Los Banos Creek at Highway 140
Appendix I Page 217 of 1262 902
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18 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)2005
DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
Nitr
ate
(mg/
L N
-NO
3)
2007DO-21: Orestimba Creek at River Road
Appendix I Page 218 of 1262 903
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19 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2005 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 219 of 1262 904
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20 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Nitr
ate
(mg/
L N
-NO
3)2005
DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Nitr
ate
(mg/
L N
-NO
3)
2007DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 220 of 1262 905
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21 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30N
itrat
e (m
g/L
N-N
O3) 2005
DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3) 2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3) 2007DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 221 of 1262 906
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22 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)2005
DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)
2007DO-29: Turlock ID Harding Drain
Appendix I Page 222 of 1262 907
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23 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Nitr
ate
(mg/
L N
-NO
3)2005
DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
Nitr
ate
(mg/
L N
-NO
3)
2007DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 223 of 1262 908
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24 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)2005
DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2007DO-33: Hospital Creek
Appendix I Page 224 of 1262 909
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25 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Nitr
ate
(mg/
L N
-NO
3)2005
DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
16
20
Nitr
ate
(mg/
L N
-NO
3)
2007DO-34: Ingram Creek Flow Station
Appendix I Page 225 of 1262 910
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26 of 40
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12N
itrat
e (m
g/L
N-N
O3) 2005
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Nitr
ate
(mg/
L N
-NO
3) 2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
4
8
12
Nitr
ate
(mg/
L N
-NO
3) 2007DO-36: Del Puerto Creek Flow Station
Appendix I Page 226 of 1262 911
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27 of 40
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)2005
DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
Nitr
ate
(mg/
L N
-NO
3)
2007DO-44: San Luis Drain End
Appendix I Page 227 of 1262 912
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28 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)2005
DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2007DO-53: Salt Slough at Wolfsen Road
Appendix I Page 228 of 1262 913
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29 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)2005
DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-57: Ramona Lake Drain at Levee
Appendix I Page 229 of 1262 914
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30 of 40
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8N
itrat
e (m
g/L
N-N
O3) 2005
DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Nitr
ate
(mg/
L N
-NO
3) 2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
8
Nitr
ate
(mg/
L N
-NO
3) 2007DO-59: SJR Laird Park
Appendix I Page 230 of 1262 915
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31 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2007DO-60: Moffit 1 South
Appendix I Page 231 of 1262 916
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32 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)2005
DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Nitr
ate
(mg/
L N
-NO
3)
2007DO-61: Deadman's Slough
Appendix I Page 232 of 1262 917
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33 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Nitr
ate
(mg/
L N
-NO
3)2005
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Nitr
ate
(mg/
L N
-NO
3)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-62: Mallard Slough
Appendix I Page 233 of 1262 918
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34 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-63: Inlet C Canal
Appendix I Page 234 of 1262 919
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35 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Nitr
ate
(mg/
L N
-NO
3)
2007DO-80: South Marsh 1 Inlet
Appendix I Page 235 of 1262 920
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36 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)2005
DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Nitr
ate
(mg/
L N
-NO
3)
2007DO-81: South Marsh 1 Outlet
Appendix I Page 236 of 1262 921
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37 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)2005
DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Nitr
ate
(mg/
L N
-NO
3)
2007DO-82: South Marsh 3 Inlet
Appendix I Page 237 of 1262 922
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DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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2007DO-83: South Marsh 3 Outlet
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DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Magnesium Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of magnesium (Mg) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring Mg2+ using a Dionex ICS-2000 Ion Chromatograph (Dionex Corporation, Sunnyvale, CA) (ASTM D6919-03). The reportable limit for this method is 0.08 mg/L Mg2+ .
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Results/DiscussionSamples were measured ranging from 0.0-957.3 mg/L Mg. The average concentration of Mg in samples collected was 29.7 mg/L Mg. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of Mg By Site ID
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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DO-12: Stanislaus River at Caswell Park
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-14: Tuolumne River at Shiloh Bridge
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1 53 105 157 209 261 313 365Day of the Year
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DO-16: Merced River at River Road
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-19: Salt Slough at Lander Avenue
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DO-20: Los Banos Creek at Highway 140
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2006 DO-20: Los Banos Creek at Highway 140
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DO-21: Orestimba Creek at River Road
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2006DO-21: Orestimba Creek at River Road
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DO-23: Modesto ID Lateral 5 to Tuolumne
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2006 DO-23: Modesto ID Lateral 5 to Tuolumne
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2007DO-23: Modesto ID Lateral 5 to Tuolumne
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DO-25: MID Main Drain to Stan. R. via Miller Lake
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2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
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2007DO-25: MID Main Drain to Stan. R. via Miller Lake
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DO-28: Turlock ID Westport Drain Flow Station
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2006 DO-28: Turlock ID Westport Drain Flow Station
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2007DO-28: Turlock ID Westport Drain Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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DO-29: Turlock ID Harding Drain
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2006 DO-29: Turlock ID Harding Drain
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2007DO-29: Turlock ID Harding Drain
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DO-30: TID Lat 6 & 7 at River Rd.
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2006 DO-30: TID Lat 6 & 7 at River Rd.
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2007DO-30: TID Lat 6 & 7 at River Rd.
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1 53 105 157 209 261 313 365Day of the Year
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DO-33: Hospital Creek
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2006 DO-33: Hospital Creek
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2007DO-33: Hospital Creek
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1 53 105 157 209 261 313 365Day of the Year
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DO-34: Ingram Creek Flow Station
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2006 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
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2007DO-34: Ingram Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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L)2005
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
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80
Mg
(mg/
L)
2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)
2007DO-36: Del Puerto Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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L)
2005 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
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L)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
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2007DO-44: San Luis Drain End
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1 53 105 157 209 261 313 365Day of the Year
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20
40
60M
g (m
g/L)
2005 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
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40
60
Mg
(mg/
L)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
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L)
2007DO-53: Salt Slough at Wolfsen Road
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1 53 105 157 209 261 313 365Day of the Year
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20
40
60M
g (m
g/L)
2005 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
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40
60
Mg
(mg/
L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
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60
Mg
(mg/
L)
2007DO-57: Ramona Lake Drain at Levee
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1 53 105 157 209 261 313 365Day of the Year
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40
80
120M
g (m
g/L)
2005 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
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120
Mg
(mg/
L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
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Mg
(mg/
L)
2007DO-59: SJR Laird Park
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1 53 105 157 209 261 313 365Day of the Year
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30
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Mg
(mg/
L)2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
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10
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30
40
Mg
(mg/
L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
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50
Mg
(mg/
L)
2007DO-60: Moffit 1 South
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1 53 105 157 209 261 313 365Day of the Year
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60
Mg
(mg/
L)2005
DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
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40
60
Mg
(mg/
L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
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60
Mg
(mg/
L)
2007DO-61: Deadman's Slough
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1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)2005
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
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200
Mg
(mg/
L)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
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200
Mg
(mg/
L)
2007DO-62: Mallard Slough
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1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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Mg
(mg/
L)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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50
Mg
(mg/
L)
2007DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
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30
Mg
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L)2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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30
Mg
(mg/
L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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30
Mg
(mg/
L)
2007DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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10
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30M
g (m
g/L)
2005 DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
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30
Mg
(mg/
L)
2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
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30
Mg
(mg/
L)
2007DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)2005
DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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Mg
(mg/
L)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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Mg
(mg/
L)
2007DO-82: South Marsh 3 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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30M
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2005 DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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30
Mg
(mg/
L)
2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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Mg
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L)
2007DO-83: South Marsh 3 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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Mg
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L)2005
DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
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Mg
(mg/
L)
2006DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
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Mg
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L)
2007DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Dissolved Phosphate Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report presents temporal plots of dissolved ortho-phosphate-phosphorus (PO4-P) for data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples for PO4-P were transported from the EERP laboratory to the UCD laboraroty where they were filtered through a pre-rinsed, 0.22 µm polycarbonate membrane (Millipore IsoporeTM), and then stored at -20oC until ammonia analysis could be completed.
PO4-P was determined on the filtrate using the stannous chloride method. SM 4500-P.D (APHA,2005). The limit of detection for this method is approximately 3 ppb PO4-P in clean water using a 1 cm cell for measurement.
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Results/DiscussionWith each set of PO4-P field samples analyzed in the UCD laboratory, quality assurance samples including a field duplicate, a trip blank, and lab blanks were also analyzed. Between 2005 and 2007, 93.5% of all quality assurance samples were within a passing range (Borglin et al, 2008). Proficiency check samples, standards with unknown concentration to the laboratory analyst, were run approximately twice a year. Four out of five proficiency check samples analyzed for PO4-P in the UCD laboratory during 2006 and 2007 were found to be within the acceptable range. Samples were measured ranging from 0.0-5.31 mg/L PO4-P. The average concentration of PO4-P in samples collected was 0.21 mg/L PO4-P. PO4-P was also analyzed by the EERP laboratory on all of the same water samples, and has a high correlation to values measured by UCD. When all data points measured by the two labs are compared they have r2=0.849, and both labs have almost the same recovery rate, EERP measured 99.94% of PO4-P as UCD (Figure 2). In general PO4-P was lowest during the summer months and peaks were found most often during the wet season.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figure 2: EERP vs UCD PO4-P Data from 2005-2007.
1UCD P-PO4 (mg/L)
0
2
4
6
8E
ERP
P-PO
4 (m
g/L)
Y = 0.9994 * XNumber of data points used = 1832r2 = 0.8491
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Figures 3 -104: Temporal Plots of Dissolved PO4-P By Site ID
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
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0.25D
isso
lved
PO
4-P
(mg/
L) 2005 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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0.2
0.25
Dis
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O4-
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2006 DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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O4-
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DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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Dis
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O4-
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g/L)
2005 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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0.2
0.25
Dis
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O4-P
(mg/
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2006 DO-05: SJR at Vernalis-McCune Station
1 53 105 157 209 261 313 365Day of the Year
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O4-
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1 53 105 157 209 261 313 365Day of the Year
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O4-
P (m
g/L) 2005
DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
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Dis
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O4-P
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2006 DO-06: SJR at Maze
1 53 105 157 209 261 313 365Day of the Year
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O4-
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DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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O4-
P (m
g/L)
2005 DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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0.4
0.6
Dis
solv
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O4-
P (m
g/L)
2006 DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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0.6
Dis
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O4-
P (m
g/L) 2007
DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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O4-
P (m
g/L) 2005
DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-08: SJR at Crows Landing
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-08: SJR at Crows Landing
Appendix I Page 289 of 1262 974
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11 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-10: SJR at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-10: SJR at Lander Avenue
Appendix I Page 290 of 1262 975
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12 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2D
isso
lved
PO
4-P (m
g/L) 2005
DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
0.24
Dis
solv
ed P
O4-
P (m
g/L)
2006DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
Dis
solv
ed P
O4-
P (m
g/L) 2007DO-12: Stanislaus River at Caswell Park
Appendix I Page 291 of 1262 976
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13 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L) 2005
DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-P
(mg/
L)
2006 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L) 2007DO-14: Tuolumne River at Shiloh Bridge
Appendix I Page 292 of 1262 977
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14 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
Dis
solv
ed P
O4-
P (m
g/L) 2005
DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
Dis
solv
ed P
O4-P
(mg/
L)
2006 DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-16: Merced River at River Road
Appendix I Page 293 of 1262 978
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15 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-18: Mud Slough near Gustine
Appendix I Page 294 of 1262 979
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16 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-19: Salt Slough at Lander Avenue
Appendix I Page 295 of 1262 980
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17 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed P
O4-
P (m
g/L)
2007DO-20: Los Banos Creek at Highway 140
Appendix I Page 296 of 1262 981
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18 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-21: Orestimba Creek at River Road
Appendix I Page 297 of 1262 982
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19 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 298 of 1262 983
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20 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 299 of 1262 984
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21 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 300 of 1262 985
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22 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed P
O4-
P (m
g/L)
2007DO-29: Turlock ID Harding Drain
Appendix I Page 301 of 1262 986
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23 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 302 of 1262 987
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24 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-33: Hospital Creek
Appendix I Page 303 of 1262 988
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25 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-34: Ingram Creek Flow Station
Appendix I Page 304 of 1262 989
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26 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-36: Del Puerto Creek Flow Station
Appendix I Page 305 of 1262 990
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27 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12D
isso
lved
PO
4-P (m
g/L) 2005
DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
Dis
solv
ed P
O4-
P (m
g/L) 2006
DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-44: San Luis Drain End
Appendix I Page 306 of 1262 991
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28 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-53: Salt Slough at Wolfsen Road
Appendix I Page 307 of 1262 992
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29 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
0.5
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-57: Ramona Lake Drain at Levee
Appendix I Page 308 of 1262 993
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30 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-59: SJR Laird Park
Appendix I Page 309 of 1262 994
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31 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L) 2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-P
(mg/
L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.05
0.1
0.15
0.2
0.25
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-60: Moffit 1 South
Appendix I Page 310 of 1262 995
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32 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed P
O4-
P (m
g/L)
2005 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed P
O4-
P (m
g/L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-61: Deadman's Slough
Appendix I Page 311 of 1262 996
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33 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3D
isso
lved
PO
4-P
(mg/
L) 2005 DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed P
O4-
P (m
g/L) 2006
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed P
O4-
P (m
g/L) 2007
DO-62: Mallard Slough
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
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0.05
0.1
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0.2
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Dis
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DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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0.05
0.1
0.15
0.2
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Dis
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O4-P
(mg/
L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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Temporal Plots of 2005-2007 Dissolved Ammonia Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report presents temporal plots of dissolved ammonia-nitrogen (NH3-N) for data analyzed by the UCD Dahlgren laboratory between 2005-2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples for NO3-N and NH3-N were transported from the EERP laboratory to the UCD laboratory, where they were filtered through a pre-rinsed, 0.22 µm polycarbonate membrane (Millipore IsoporeTM), and then stored at -20oC until NH3-N analysis could be completed.
NO3-N and Soluble NH3-N were quantified simultaneously using an automated membrane diffusion/conductivity detection method (Carlson, 1978, 1986; Carlson et al., 1990). The limit of detection for this method was 50 ppb N.
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Results/DiscussionWith each set of NH3-N field samples analyzed in the UCD laboratory, quality assurance samples including a field duplicate, a trip blank, and lab blanks were also analyzed. 95.02% of all quality assurance samples were within a passing range (Borglin et al, 2008). Proficiency check samples, standards with unknown concentration to the laboratory analyst, were run approximately twice a year. Four proficiency check samples were analyzed for NH3-N in the UCD laboratory during 2005-2007, and all of these samples were found to be within the acceptable range. Samples were measured ranging from 0.0-21.76 mg/L NH3-N. The average concentration of NH3-N in samples collected was 0.17 mg/L NH3-N. NH3-N was also analyzed at EERP starting in the summer of 2007, on the same water samples and has a high correlation to values measured by EERP. When all data points measured by the two labs are compared they have r2=0.956 (Spier et al, 2008). NH3-N samples measured by EERP have about 91.1% as much NH3-N as the same samples measured by UCD (Figure 2). NH3-N was had low concentrations for most of the year with spikes appearing in the summer months for several sites.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Carlson, R.M., R. Cabrera, J. Paul, J. Quick and R.Y. Evans. 1990. Rapid direct determination of ammonium and nitrate in soil and plant tissue extracts. Comm. Soil Sci. Plant Anal. 21:1519-1530.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Spier, C., Burks, R., Borglin, S.E. (2008) Comparison of Methods for Analyzing Ammonia, Nitrate and Total Nitrogen, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figure 2: UCD vs EERP Timberline Plot of NH3-N .
0 1 2 3 4 5UC Davis N-NH3 (mg/L)
-1
0
1
2
3
4
5
EE
RP
N-N
H3 (
mg/
L)
Y = 0.9108 * XNumber of data points used = 519r2 = 0.9556
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Figures 3 -104: Temporal Plots of Dissolved NH3-N By Site ID
1 53 105 157 209 261 313 365Day of the Year
0
0.02
0.04
0.06
0.08
0.1D
isso
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3-N
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L) 2005DO-04: SJR at Mossdale
1 53 105 157 209 261 313 365Day of the Year
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DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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DO-12: Stanislaus River at Caswell Park
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1 53 105 157 209 261 313 365Day of the Year
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DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-16: Merced River at River Road
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DO-16: Merced River at River Road
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1 53 105 157 209 261 313 365Day of the Year
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DO-18: Mud Slough near Gustine
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0.8
1.2
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-18: Mud Slough near Gustine
Appendix I Page 334 of 1262 1019
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16 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-19: Salt Slough at Lander Avenue
Appendix I Page 335 of 1262 1020
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17 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-20: Los Banos Creek at Highway 140
Appendix I Page 336 of 1262 1021
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18 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2D
isso
lved
NH
3-N
(mg/
L) 2005 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
2
4
6
Dis
solv
ed N
H3-
N (m
g/L) 2007DO-21: Orestimba Creek at River Road
Appendix I Page 337 of 1262 1022
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19 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 338 of 1262 1023
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20 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
5
10
15
20
25
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-N
(mg/
L) 2007DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 339 of 1262 1024
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21 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 340 of 1262 1025
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22 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-N
(mg/
L) 2005 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-29: Turlock ID Harding Drain
Appendix I Page 341 of 1262 1026
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23 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
1
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 342 of 1262 1027
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24 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-33: Hospital Creek
Appendix I Page 343 of 1262 1028
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25 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-N
(mg/
L) 2005 DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-34: Ingram Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-34: Ingram Creek Flow Station
Appendix I Page 344 of 1262 1029
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26 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
4
5
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-36: Del Puerto Creek Flow Station
Appendix I Page 345 of 1262 1030
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27 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-44: San Luis Drain End
Appendix I Page 346 of 1262 1031
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28 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-53: Salt Slough at Wolfsen Road
Appendix I Page 347 of 1262 1032
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29 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-57: Ramona Lake Drain at Levee
Appendix I Page 348 of 1262 1033
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30 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-59: SJR Laird Park
Appendix I Page 349 of 1262 1034
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31 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-60: Moffit 1 South
Appendix I Page 350 of 1262 1035
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32 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-N
(mg/
L) 2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-61: Deadman's Slough
Appendix I Page 351 of 1262 1036
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33 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-N
(mg/
L) 2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
0.4
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-62: Mallard Slough
Appendix I Page 352 of 1262 1037
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34 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-N
(mg/
L) 2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-63: Inlet C Canal
Appendix I Page 353 of 1262 1038
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35 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-N
(mg/
L) 2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.1
0.2
0.3
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-80: South Marsh 1 Inlet
Appendix I Page 354 of 1262 1039
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36 of 40
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-N
(mg/
L) 2005 DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
1
2
3
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-81: South Marsh 1 Outlet
Appendix I Page 355 of 1262 1040
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37 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-N
(mg/
L) 2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
0.2
0.4
0.6
0.8
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-82: South Marsh 3 Inlet
Appendix I Page 356 of 1262 1041
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38 of 40
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
Dis
solv
ed N
H3-
N (m
g/L) 2006
DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
0
0.04
0.08
0.12
0.16
0.2
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-83: South Marsh 3 Outlet
Appendix I Page 357 of 1262 1042
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1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-
N (m
g/L) 2005
DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-N
(mg/
L) 2006DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
0
0.4
0.8
1.2
1.6
2
Dis
solv
ed N
H3-
N (m
g/L) 2007
DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Chlorine Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of chlorine (Cl) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring Cl- using a Dionex ICS-2000 Ion Chromatograph (Dionex Corporation, Sunnyvale, CA) (SM-4110 B). The reportable limit for this method is 0.02 mg/L Cl- .
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Results/DiscussionSamples were measured ranging from 0.0-966.0 mg/L Cl. The average concentration of Cl in samples collected was 143.7 mg/L Cl. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA.
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA.
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of Cl By Site ID
1 53 105 157 209 261 313 365Day of the Year
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2005 DO-04: SJR at Mossdale
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2006 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-05: SJR at Vernalis-McCune Station
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2006 DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-10: SJR at Lander Avenue
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2006 DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-14: Tuolumne River at Shiloh Bridge
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1 53 105 157 209 261 313 365Day of the Year
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DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
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1 53 105 157 209 261 313 365Day of the Year
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DO-18: Mud Slough near Gustine
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1 53 105 157 209 261 313 365Day of the Year
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DO-19: Salt Slough at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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DO-20: Los Banos Creek at Highway 140
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2006 DO-20: Los Banos Creek at Highway 140
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2007DO-20: Los Banos Creek at Highway 140
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1 53 105 157 209 261 313 365Day of the Year
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DO-21: Orestimba Creek at River Road
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2006 DO-21: Orestimba Creek at River Road
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1 53 105 157 209 261 313 365Day of the Year
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DO-23: Modesto ID Lateral 5 to Tuolumne
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2006 DO-23: Modesto ID Lateral 5 to Tuolumne
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2007DO-23: Modesto ID Lateral 5 to Tuolumne
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
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2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
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2007DO-25: MID Main Drain to Stan. R. via Miller Lake
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-28: Turlock ID Westport Drain Flow Station
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2006 DO-28: Turlock ID Westport Drain Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-29: Turlock ID Harding Drain
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2006 DO-29: Turlock ID Harding Drain
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2007DO-29: Turlock ID Harding Drain
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1 53 105 157 209 261 313 365Day of the Year
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DO-30: TID Lat 6 & 7 at River Rd.
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Cl (
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2006 DO-30: TID Lat 6 & 7 at River Rd.
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2007DO-30: TID Lat 6 & 7 at River Rd.
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1 53 105 157 209 261 313 365Day of the Year
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DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
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Cl (
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2006 DO-33: Hospital Creek
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2007DO-33: Hospital Creek
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1 53 105 157 209 261 313 365Day of the Year
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DO-34: Ingram Creek Flow Station
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Cl (
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2006 DO-34: Ingram Creek Flow Station
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2007DO-34: Ingram Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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DO-36: Del Puerto Creek Flow Station
1 53 105 157 209 261 313 365Day of the Year
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Cl (
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2006 DO-36: Del Puerto Creek Flow Station
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2007DO-36: Del Puerto Creek Flow Station
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1 53 105 157 209 261 313 365Day of the Year
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mg/
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DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
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800
1000
Cl (
mg/
L)
2006 DO-44: San Luis Drain End
1 53 105 157 209 261 313 365Day of the Year
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1000
Cl (
mg/
L)
2007DO-44: San Luis Drain End
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1 53 105 157 209 261 313 365Day of the Year
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100
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Cl (
mg/
L)2005
DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
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100
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400
Cl (
mg/
L)
2006 DO-53: Salt Slough at Wolfsen Road
1 53 105 157 209 261 313 365Day of the Year
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400
Cl (
mg/
L)
2007DO-53: Salt Slough at Wolfsen Road
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1 53 105 157 209 261 313 365Day of the Year
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300
Cl (
mg/
L)2005
DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
0
100
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300
Cl (
mg/
L)
2006 DO-57: Ramona Lake Drain at Levee
1 53 105 157 209 261 313 365Day of the Year
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100
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300
Cl (
mg/
L)
2007DO-57: Ramona Lake Drain at Levee
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
0
200
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800
Cl (
mg/
L)
2006 DO-59: SJR Laird Park
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2007DO-59: SJR Laird Park
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1 53 105 157 209 261 313 365Day of the Year
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100
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300
Cl (
mg/
L)2005
DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Cl (
mg/
L)
2006 DO-60: Moffit 1 South
1 53 105 157 209 261 313 365Day of the Year
0
100
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300
Cl (
mg/
L)
2007DO-60: Moffit 1 South
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
0
100
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400
Cl (
mg/
L)
2006 DO-61: Deadman's Slough
1 53 105 157 209 261 313 365Day of the Year
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100
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400
Cl (
mg/
L)
2007DO-61: Deadman's Slough
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
0
200
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800
Cl (
mg/
L)
2006DO-62: Mallard Slough
1 53 105 157 209 261 313 365Day of the Year
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200
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800
Cl (
mg/
L)
2007DO-62: Mallard Slough
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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250
Cl (
mg/
L)
2006DO-63: Inlet C Canal
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2007DO-63: Inlet C Canal
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
0
40
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160
200
Cl (
mg/
L)
2006DO-80: South Marsh 1 Inlet
1 53 105 157 209 261 313 365Day of the Year
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160
200
Cl (
mg/
L)
2007DO-80: South Marsh 1 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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l (m
g/L)
2005 DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2006DO-81: South Marsh 1 Outlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2007DO-81: South Marsh 1 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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mg/
L)2005
DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2006DO-82: South Marsh 3 Inlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2007DO-82: South Marsh 3 Inlet
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1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)2005
DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2006DO-83: South Marsh 3 Outlet
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
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2007DO-83: South Marsh 3 Outlet
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1 53 105 157 209 261 313 365Day of the Year
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DO-95: Ramona Lake Entrance
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Cl (
mg/
L)
2006DO-95: Ramona Lake Entrance
1 53 105 157 209 261 313 365Day of the Year
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Cl (
mg/
L)
2007DO-95: Ramona Lake Entrance
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Temporal Plots of 2005-2007 Calcium Data from the Upstream San Joaquin River
Chelsea Spier1
Remie Burks1
Sharon Borglin1
Randy Dahlgren2
Jeremy Hanlon1
Justin Graham1
William Stringfellow1
February 2008
1Environmental Engineering Research Program School of Engineering & Computer Sciences
University of the Pacific 3601 Pacific Avenue, Sears Hall
Stockton, CA 95211 2UC Davis, Davis, CA
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Introduction The San Joaquin River (SJR) supports one of the most productive agricultural regions in the world and its productivity is heavily dependant on irrigated agriculture. A consequence of irrigated agriculture is the production of return flows conveyed down gradient drains that eventually discharge to surface waters. Agricultural drainage may have significant nutrient load and can impact algae growth and general water quality in the SJR. Individual farmers and agricultural organizations, such as drainage authorities, are in need of tools to manage the environmental impacts of agricultural activities (Stringfellow, 2008).
For the years 2005 through 2007, sites throughout the San Joaquin Valley watershed were sampled to assess the overall water quality in the region. One thousand nine hundred and ninety-six (1996) individual surface water samples were collected and analyzed and WQ was assessed at 113 locations in the SJR basin (Borglin et al., 2008). Samples were processed and analyzed by the Environmental Engineering Research Program (EERP) laboratory at the University of the Pacific as well as at the University of California, Davis, Dahlgren Lab. This report includes temporal graphs of calcium (Ca) data analyzed by the UCD Dahlgren laboratory between 2005 and 2007.
MethodsDepth integrated field samples were colleted during 2005-2007 in the upper San Joaquin River in accordance with EERP Field Standard Operating Procedures Protocol Book (Graham 2008). Water samples were colleted in glass 1000 mL bottles (Wheaton Science Products, Millville, NJ), 1000 mL HDPE Trace-Clean narrow mouth plastic bottles (VWR International), 250 mL HDPE Trace-Clean wide mouth plastic bottles (VWR International) as well as 40 mL trace clean vials with PTFE septa (IChem, Rockwood, TN). Bottles were labeled with the appropriate sample number, site name and sampling date. All bottles were rinsed with sample water prior to sample collection. Some sites required a bucket to collect sample water because of accessibility from a high bridge or platform. For these sites, the bucket was pre-rinsed with sample water and sample bottles were filled using a rinsed funnel. Care was taken to distribute water simultaneously to all sample bottles (rather than sequentially). Samples were immediately stored at 4°C after sampling (cooler temperature was recorded in the lab upon delivery) and transported to the EERP lab on the day of sampling.
Within 24 hours of collection samples were transported from the EERP laboratory to the UCD laboratory for analysis, during this time period samples were stored in coolers at 4°C.
Ion chromatography was utilized for measuring Ca2+ using a Dionex ICS-2000 Ion Chromatograph (Dionex Corporation, Sunnyvale, CA) (ASTM D6919-03). The reportable limit for this method is 0.08 mg/L Ca2+ .
Results/DiscussionSamples were measured ranging from 0.0-490.9 mg/L Ca. The average concentration of Ca in samples collected was 66.9 mg/L Ca. These temporal plots (Figures 3-104) created an easy visual way to find outliers and double check data entry for possible
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mistakes.
References American Public Health Association (APHA). 2005. Standard Methods for the Examination of
Water and Wastewater, 21st Edition. American Public Health Association, Washington, DC.
Borglin, S., W. Stringfellow, J. Hanlon. 2005. Standard Operating Procedures for the Up-Stream Dissolved Oxygen TMDL Project. LBNL/Pub-937.
Borglin, S., Burks, R., Hanlon, J., Graham, J., Spier, C., Stringfellow, W., and Dahlgren, R., (2008) Methods overview, quality assurance, and quality control, University of the Pacific, Stockton, CA
Borglin, S.E., Burks, R.D., Hanlon, J.S., Stringfellow, W.T. (2008) EERP Lab Protocol Book, University of the Pacific, Stockton, CA.
Graham, J., Hanlon, J.S., Stringfellow, W.T., (2008) EERP Field Protocol Book, University of the Pacific, Stockton, CA.
Stringfellow, W.T., et al., (2008) Evaluation of Vegitated Ditches, Ponds, and Wetlands as BMPs for Mitigating the Water Quality Impact of Irrigated Agriculture in the San Joaquin Valley, University of the Pacific, Stockton, CA
YSI Environmental Operations Manual (2005) 6-Series Environmental Monitoring Systems, Yellow Springs, OH.
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Table 1: EERP Sampling Site List DO Number
Site Name Type
4 SJR at Mossdale Core sites 5 SJR at Vernalis-McCune Station (River Club) Core sites, BMP 6 SJR at Maze Core sites, BMP 7 SJR at Patterson Core sites, BMP 8 SJR at Crows Landing Core sites, BMP
10 SJR at Lander Avenue Core sites 12 Stanislaus River at Caswell Park Core sites 14 Tuolumne River at Shiloh Bridge Core sites 16 Merced River at River Road Core sites 18 Mud Slough near Gustine Core sites, Wetland 19 Salt Slough at Lander Avenue Core sites, Wetland 20 Los Banos Creek Flow Station Core sites, Wetland 21 Orestimba Creek at River Road Core sites, BMP 23 Modesto ID Lateral 5 to Tuolumne Core sites 25 Modesto ID Main Drain to Stan. R. via Miller Lake Core sites 28 Turlock ID Westport Drain Flow station Core sites 29 Turlock ID Harding Drain Core sites 30 Turlock ID Lateral 6 & 7 at Levee Core sites 33 Hospital Creek Intermittent, BMP 34 Ingram Creek Core sites, BMP 36 Del Puerto Creek Flow Station Core sites, BMP 44 San Luis Drain End Core sites 53 Salt Slough at Wolfsen Road Wetland 57 Ramona Lake Drain Core sites, BMP 59 SJR Laird Park Core sites 60 Moffit 1 South Wetland 61 Deadman's Slough Wetland 62 Mallard Slough Wetland 63 Inlet C Canal Wetland 80 South Marsh-1-Inlet Wetland 81 South Marsh-1-Outlet Wetland 82 South Marsh-3-Inlet Wetland 83 South Marsh-3-Outlet Wetland 95 Ramona drain at Ramona Lake BMP, Intermittent
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Figure 1: EERP Sampling Site Map of SJR Watershed and Tributaries
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Figures 2 -103: Temporal Plots of Ca By Site ID
1 53 105 157 209 261 313 365Day of the Year
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2005 DO-04: SJR at Mossdale
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2006 DO-04: SJR at Mossdale
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1 53 105 157 209 261 313 365Day of the Year
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DO-05: SJR at Vernalis-McCune Station
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2006 DO-05: SJR at Vernalis-McCune Station
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1 53 105 157 209 261 313 365Day of the Year
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DO-06: SJR at Maze
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2006 DO-06: SJR at Maze
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2007 DO-06: SJR at Maze
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1 53 105 157 209 261 313 365Day of the Year
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DO-07: SJR at Patterson
1 53 105 157 209 261 313 365Day of the Year
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2006 DO-07: SJR at Patterson
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2007 DO-07: SJR at Patterson
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1 53 105 157 209 261 313 365Day of the Year
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DO-08: SJR at Crows Landing
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2006 DO-08: SJR at Crows Landing
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1 53 105 157 209 261 313 365Day of the Year
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L)2005
DO-10: SJR at Lander Avenue
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120
Ca
(mg/
L)
2006 DO-10: SJR at Lander Avenue
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2007DO-10: SJR at Lander Avenue
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1 53 105 157 209 261 313 365Day of the Year
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4
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DO-12: Stanislaus River at Caswell Park
1 53 105 157 209 261 313 365Day of the Year
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(mg/
L)
2006 DO-12: Stanislaus River at Caswell Park
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1 53 105 157 209 261 313 365Day of the Year
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L)2005
DO-14: Tuolumne River at Shiloh Bridge
1 53 105 157 209 261 313 365Day of the Year
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Ca
(mg/
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2006 DO-14: Tuolumne River at Shiloh Bridge
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1 53 105 157 209 261 313 365Day of the Year
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L)2005
DO-16: Merced River at River Road
1 53 105 157 209 261 313 365Day of the Year
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50
Ca
(mg/
L)
2006 DO-16: Merced River at River Road
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2007DO-16: Merced River at River Road
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1 53 105 157 209 261 313 365Day of the Year
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2005 DO-18: Mud Slough near Gustine
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(mg/
L)
2006 DO-18: Mud Slough near Gustine
1 53 105 157 209 261 313 365Day of the Year
0
100
200
300
Ca
(mg/
L)
2007DO-18: Mud Slough near Gustine
Appendix I Page 412 of 1262 1097
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15 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)2005
DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)
2006 DO-19: Salt Slough at Lander Avenue
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)
2007DO-19: Salt Slough at Lander Avenue
Appendix I Page 413 of 1262 1098
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16 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)2005
DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)
2006 DO-20: Los Banos Creek at Highway 140
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
160
Ca
(mg/
L)
2007DO-20: Los Banos Creek at Highway 140
Appendix I Page 414 of 1262 1099
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17 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)2005
DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2006 DO-21: Orestimba Creek at River Road
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2007DO-21: Orestimba Creek at River Road
Appendix I Page 415 of 1262 1100
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18 of 39
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Ca
(mg/
L)2005
DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Ca
(mg/
L)
2006 DO-23: Modesto ID Lateral 5 to Tuolumne
1 53 105 157 209 261 313 365Day of the Year
0
10
20
30
40
50
Ca
(mg/
L)
2007DO-23: Modesto ID Lateral 5 to Tuolumne
Appendix I Page 416 of 1262 1101
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19 of 39
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80C
a (m
g/L)
2005 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
Ca
(mg/
L)
2006 DO-25: MID Main Drain to Stan. R. via Miller Lake
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
80
Ca
(mg/
L)
2007DO-25: MID Main Drain to Stan. R. via Miller Lake
Appendix I Page 417 of 1262 1102
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20 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120C
a (m
g/L)
2005 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2006 DO-28: Turlock ID Westport Drain Flow Station
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2007DO-28: Turlock ID Westport Drain Flow Station
Appendix I Page 418 of 1262 1103
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21 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)2005
DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2006 DO-29: Turlock ID Harding Drain
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2007DO-29: Turlock ID Harding Drain
Appendix I Page 419 of 1262 1104
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22 of 39
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)2005
DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2006 DO-30: TID Lat 6 & 7 at River Rd.
1 53 105 157 209 261 313 365Day of the Year
0
40
80
120
Ca
(mg/
L)
2007DO-30: TID Lat 6 & 7 at River Rd.
Appendix I Page 420 of 1262 1105
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23 of 39
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Ca
(mg/
L)2005
DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Ca
(mg/
L)
2006 DO-33: Hospital Creek
1 53 105 157 209 261 313 365Day of the Year
0
20
40
60
Ca
(mg/
L)
2007DO-33: Hospital Creek
Appendix I Page 421 of 1262 1106