kansas spring river metal tmdls
DESCRIPTION
Kansas Spring River Metal TMDLs. Thomas Stiles, KDHE Watershed Planning April 14, 2005. 303(d) Listings. 1998 – Lower Spring River, Turkey Crk, Short Crk, Brush Crk, Little Shawnee Crk – Pb, Zn, Cd, Cu 1998 – Biological Impairment on Spring River 2002 – Shoal Crk – Pb & Zn - PowerPoint PPT PresentationTRANSCRIPT
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Kansas Spring River Metal
TMDLs
Thomas Stiles, KDHE Watershed Planning
April 14, 2005
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303(d) Listings 1998 – Lower Spring River, Turkey
Crk, Short Crk, Brush Crk, Little Shawnee Crk – Pb, Zn, Cd, Cu
1998 – Biological Impairment on Spring River
2002 – Shoal Crk – Pb & Zn - Shawnee Crk – Cu, Pb & Zn
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#0
#0
%a
%a
%a
%a
#0
#0
#³
#³
#³
#³
#³
CK567
210
211
568
569
570
212
213
74
5 0 5 Miles
N
Spring R. Metals
CityStreamsLakes
Stream Water Quality Monitoring Sites%a Fixed#0 Rotational
Streams_99regb_303d.shpCAD
Streams_99regb_303d.shpCuCu PbPb
Streams_99regb_303d.shpBMetals
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Current Metal WQSKansas Chronic Metal Criteria
0.1
1
10
100
1000
0 50 100 150 200 250 300 350
Total Hardness in mg/l
Meta
l C
rite
ria i
n u
g/l
Zinc Lead Copper Cadmium
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Hydrology is Major Factor
Mean Annual Flow in Spring River Watershed
10
100
1000
10000
Location
Flo
w in
CF
S
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Hydrology and Loadings
Zinc Concentrations at High and Low Flow
0.01
0.1
1
10
100
Location
Zin
c C
on
c in
mg
/l
High Flow (10/01) Low Flow (10/04)
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Hydrology and Hardness
Total Hardness at High and Low Flows
10
100
1000
Location
To
tal
Hard
ness i
n m
g/l
High Flow (10/01) Low Flow (10/04)
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Aquatic Life Impairment
EPT Taxa on Spring River
10203040506070
Date
Pct
Tax
a as
EP
T
Baxter Springs Crestline Waco
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Spring River at Baxter Springs Lead
0.001
0.010
0.100
1.000
99 98 96 94 92 88 85 83 80 78 77 74 72 66 60 57 54 48 47 45 42 39 34 29 29 25 22 20 19 15 14 11 4 2
Pct of Time Flow Exceeded
Lea
d i
n p
pm
Lead CCC Lead CMC Sample
Higher Flows, Higher Exceedances
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Spring River near Crestline Lead
0.0010
0.0100
0.1000
1.0000
98 94 92 89 82 78 75 60 53 49 47 40 36 26 22 18 11 3
Pct of Time Flow Exceeded
Lead
in p
pm
Lead CCC Lead CMC Sample
High Flows Impact Clean Sites
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Shoal Creek Zinc
0.010
0.100
1.000
99 98 96 94 92 88 83 81 78 74 66 65 62 58 53 50 49 45 43 41 39 35 32 25 20 18 14 13 10 3 1
Pct of Time Flow Exceeded
Zin
c i
n p
pm
Zinc CCC Sample
High Flows ~ Impact of Sediments
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Some Sites Degraded at All Flows
Short Creek Cadmium
0.0001
0.0010
0.0100
0.1000
1.0000
Pct of Time Flow Exceeded
Cad
miu
m i
n p
pm
Cadmium CCC Cadmium CMC Sample
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TMDL Allocations WLA: Pt Sources – Initially Zero
LA: Variable by Location & Flow Condition
MOS: Statistical Characteristics of Metals and Hardness
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Zinc Load Reductions
0
10
20
30
40
50
60
70
80
90
100
BaxterSprings
Shoal Crk ShawneeCrk
Short Crk Turkey Crk Center Crk Crestline
Location
Perc
en
t L
oad
Red
ucti
on
Normal Flow Very High Flow
Variable Load Reductions
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Highest Priority Issues Short Creek: Zn, Cd @ normal to high Q Turkey Creek: Zn, Cd @ normal to high Q Center Creek: Zn, Cd @ normal to high Q;
Pb @ normal Q Shawnee Creek: Pb @ normal Q Shoal Creek: Zn @ very high Q Baxter Springs: Pb @ normal to high Q;
Zn @ high to very high Q
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Load Reduction Strategy
1. Tributary Reductions for Self & Baxter Springs
2. Reductions on Other Tribs – e.g.; Willow Creek
3. Removal of In-Channel Sediments
4. Potential Dredging of Empire Lake
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TMDL Timeline
Next Week: Submission to EPA 2005-2008: Ongoing Remedial
Actions 2008: Reopen TMDL – NRDA data;
effluent monitoring; establish WLAs 2009: Begin targeted sediment
removal 2013: Revisit TMDL; note progress