leon county water quality monitoring...
TRANSCRIPT
![Page 1: Leon County Water Quality Monitoring Programcms.leoncountyfl.gov/Portals/0/publicworks/engservices...Leon County Water Quality Monitoring Program Johnny Richardson Water Resource Scientist](https://reader034.vdocument.in/reader034/viewer/2022043002/5f7ee3a54602071da00e95f0/html5/thumbnails/1.jpg)
Leon County Water Quality Monitoring Program
Johnny Richardson
Water Resource Scientist
![Page 2: Leon County Water Quality Monitoring Programcms.leoncountyfl.gov/Portals/0/publicworks/engservices...Leon County Water Quality Monitoring Program Johnny Richardson Water Resource Scientist](https://reader034.vdocument.in/reader034/viewer/2022043002/5f7ee3a54602071da00e95f0/html5/thumbnails/2.jpg)
Leon County currently monitors:
• 13 lakes
• 27 streams
• Two rivers
– Total of 73 Stations
– All waters sampled are Class III waters
• Recreation, Propagation and Maintenance of a
Healthy, Well-Balanced Population of Fish and
Wildlife
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• Determining ecosystem health is like putting together a puzzle
• To solve the puzzle, one has to have all the pieces
Holistic Approach to WQ Monitoring
Water chemistry
alone does not
give a complete
picture!
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The pieces
• Land Use (GIS) • History • Chemistry • Biology
– Macroinvertebrate Survey • Stream Condition Index (SCI)
– Lake Vegetation Survey • Lake Vegetation Index (LVI)
• Hydrology • Photo Documentation
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Sampling conducted • Quarterly
– Water Chemistry
• Nutrients
• Chlorophyll a
• Phys/Chem (dissolved oxygen, pH, temperature, conductivity, secchi depth)
• Bacteria (fecal coliform and E. coli)
• True color, turbidity, TSS, TDS, BOD, etc.
• Metals and detergent by-products are sampled at certain sites
• Yearly
– Sediment, SCIs and LVIs
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Data used for:
• Total Maximum Daily Loads (TMDL)s
• National Pollutant Discharge Elimination System (NPDES) program
• Assess water quality (current, trends)
• Corrective action
– Land use restrictions
– Improvement projects
• Education
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Lake Talquin
Ochlockonee River
Lake Jackson
Lake Iamonia
Lake Miccosukee
St. Marks River
Lake Munson
Bradford Chain of Lakes
Lake Carr
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Lots of sinking streams and lakes that drain into the Floridan aquifer
Lakes tend to be shallow Streams tend to be blackwater systems
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Lakes
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Creeks
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Waterbody Parameter of Concern % Reduction
Northeast Drainage Ditch Fecal Coliform 63%
Northeast Drainage Ditch Total Coliform 52%
Harbinwood Estates Total Phosphorus 35%
Godby Ditch Total Phosphorus 6%
Central Drainage Ditch Total Nitrogen 1%
Central Drainage Ditch Fecal Coliform 56%
Central Drainage Ditch Total Coliform 93%
St. Augustine Branch Total Nitrogen 30%
St. Augustine Branch Fecal Coliform 75%
St. Augustine Branch Total Coliform 80%
East Drainage Ditch Fecal Coliform 83%
East Drainage Ditch Total Coliform 41%
Munson Slough (upstream of Lake Munson) BOD5 50.0%
Munson Slough (upstream of Lake Munson) Total Nitrogen 8.35%
Munson Slough (upstream of Lake Munson) Total Phosphorus 17.53%
Lake Munson Total Nitrogen 32.5%
Lake Munson Total Phosphorus 76.7%
Lake Munson BOD5 50.0%
Lake Munson Turbidity 31.9%
Munson Slough (downstream of Lake
Munson)
NH3N 33.3%
Munson Slough (downstream of Lake
Munson)
BOD5 52.9%
Munson Slough at Roberts Ave. Fecal Coliform 32%
Munson Slough at Springhill Rd. Fecal Coliform 97%
Munson Slough at Capital Circle Fecal Coliform 92%
Upper Lake Lafayette Total Phosphorus 36%
West Black Creek Fecal Coliform 40%
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Information
• www.LeonCountyFL.Gov/WaterResources
• Johnny Richardson – Water Resources
Scientist
• 850-606-1500