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Fecal Coliform Hot Spots Monitoring Stacie Greco Senior Environmental Specialist Alachua County Environmental Protection Department Slide 2 Alachua County Environmental Protection Department (ACEPD) Pollution Prevention Petroleum Clean-up Storage Tanks Compliance Hazardous Waste Collection Contaminated Sites Review Natural Resources Environmental Planning Environmental Review Land Conservation (Alachua County Forever) Water Resources Hazardous Materials Management Water Quality and NPDES Compliance Slide 3 Water Quality Monitoring Programs What are the goals of the program? Regulatory standards Timeline- short term/long term Budget constraints Quality assurance (QA/QC) Slide 4 Fecal Coliform Bacteria originating from the digestive track of warm blooded animals Indicator of fecal pollution and disease causing organisms State fecal coliform standard for Class III waters- one time maximum of 800 CFU/100ml nor exceed 400 CFU/100 ml in 10% of the samples Giardia E. Coli Slide 5 Fecal Coliform TMDLs Slide 6 Regulatory Background Total Maximum Daily Loads (TMDLs) PHASE 1Water Quality Monitoring PHASE 2 Compare Water Quality Data to Standards to Create the Impaired Waters List PHASE 3Development and Adoption of TMDLs for Waters Verified as Impaired PHASE 4 Development of the Basin Management Action Plan (BMAP) to Achieve the TMDL PHASE 5 Implementation of TMDL(s), Including Water Quality Monitoring and Assessment Slide 7 Sources of Fecal Coliform Failing septic systems Leaks and overflows from sanitary sewer systems Illegal discharges of sanitary waste Pet wastes Wildlife Re-growth in sediments Slide 8 Microbial Hot Spots Monitoring Goal: Locate and identify sources of increased fecal coliform bacteria. Slide 9 Fecal Coliform Data June 2004 June 2007 Hot Spot Arithmetic Mean (CFU/100 mL) Median (CFU/100 mL) Geometric Mean (CFU/100 mL) Minimum (CFU/100 mL) Maximum (CFU/100 mL) Number (n) LHATWALDO8996505661004,60024 LFCNE259,008520694110128,00016 HOGNW231,97370089312011,84027 SWBNE1054,063460739