62-304.810. Everglades West Coast Basin TMDLs  


Effective on Sunday, May 9, 2021
  • 1(1) Hendry Creek Marine. Hendry Creek Marine. The 9bacteriological 10TMDL is 400 counts/100 ml for fecal coliform, and is allocated as follows:

    23(a) The WLA for wastewater point sources is not applicable;

    33(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is to address anthropogenic sources in the basin such that in-stream concentrations meet the fecal coliform criteria which, based on the measured concentrations from the 2000 to 2007 period, will require a 57.4% reduction at sources contributing to exceedances of the criteria; and

    89(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream concentrations meet the fecal coliform criteria which, based on the measured concentrations from the 2000 to 2007 period, will require a 57.4% reduction at sources contributing to exceedances of the criteria.

    137(2) Hendry Creek Marine. The TMDLs to address the low DO condition is an annual median TN of 0.6 mg/L in Hendry Creek Marine, and is allocated as follows:

    166(a) The WLA for wastewater point sources is not applicable;

    176(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 44% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period; and

    209(c) The LA for nonpoint sources is a 44% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period.

    234(3) Hendry Creek. Hendry Creek DO TMDL. The TMDL to address the low DO condition is an annual median TN of 0.6 mg/L in Hendry Creek, and is allocated as follows:

    265(a) The WLA for wastewater point sources is not applicable;

    275(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 44% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period; and

    308(c) The LA for nonpoint sources is a 44% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period.

    333(4) Imperial River. The Imperial River DO TMDL. The TMDLs to address the low DO condition is an annual median TN of 0.74 mg/L in the Imperial River, and is allocated as follows:

    366(a) The WLA for wastewater point sources is not applicable;

    376(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 24.9% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period; and

    409(c) The LA for nonpoint sources is a 24.9% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period.

    434(5) The Cocohatchee River. The bacteriological TMDL is 43 counts/100 ml for fecal coliform and is allocated as follows:

    453(a) The WLA for wastewater point sources is not applicable;

    463(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is to address anthropogenic sources in the basin such that in-stream concentrations meet the fecal coliform criteria which, based on the measured concentrations from the 2000 to 2007 period, will require a 65% reduction at sources contributing to exceedances of the criteria; and

    519(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream concentrations meet the fecal coliform criteria which, based on the measured concentrations from the 2000 to 2007 period, will require a 65% reduction at sources contributing to exceedances of the criteria.

    567(6) The Gordon River Extension. The Gordon River Extension DO TMDL. The TMDLs to address the low DO condition is an annual median TN of 0.74 mg/L in the Gordon River Extension, and is allocated as follows:

    604(a) The WLA for wastewater point sources is not applicable;

    614(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 29% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period; and

    647(c) The LA for nonpoint sources is a 29% reduction of current anthropogenic TN loading based on measured concentrations from the 2000 to 2007 period.

    672(7) Lake Trafford. The Lake Trafford DO TMDL. The TMDL for Lake Trafford is based on achieving the Class 3 minimum DO criterion of 5.0 mg/L, and is allocated as follows:

    703(a) The WLA for wastewater point sources is not applicable;

    713(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 60% reduction of current anthropogenic TN loading, and a 77% reduction of current anthropogenic TP loading based on measured concentrations from the 2000 to 2007 period; and

    755(c) The LA for nonpoint sources is a 60% reduction of current anthropogenic TN loading, and a 77% reduction of current anthropogenic TP loading based on measured concentrations from the 2000 to 2007 period.

    789(8) Lake Trafford. The Lake Trafford nutrient TMDL is based on meeting a maximum Trophic State Index (TSI) of 60, and is allocated as follows:

    814(a) The WLA for wastewater point sources is not applicable;

    824(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 60% reduction of current anthropogenic TN loading, and a 77% reduction of current anthropogenic TP loading based on measured concentrations from the 2000 to 2007 period; and

    866(c) The LA for nonpoint sources is a 60% reduction of current anthropogenic TN loading, and a 77% reduction of current anthropogenic TP loading based on measured concentrations from the 2000 to 2007 period.

    900(9) Lake Trafford. The Lake Trafford un-ionized ammonia TMDL is based on meeting a maximum concentration of 0.02 mg/L, and is allocated as follows:

    924(a) The WLA for wastewater point sources is not applicable;

    934(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 60% reduction of current anthropogenic TN loading, based on measured concentrations from the 2000 to 2007 period; and

    967(c) The LA for nonpoint sources is a 60% reduction of current anthropogenic TN loading, based on measured concentrations from the 2000 to 2007 period.

    992Rulemaking Authority 994403.061, 995403.067 FS. 997Law Implemented 999403.061, 1000403.062, 1001403.067 FS. 1003History–New 10-21-08, Amended 5-9-21.