62-304.615. Manatee River Basin TMDLs

(1) Braden River above Ward Lake. The bacteriological TMDL for Braden River above Ward Lake is 400 counts/100mL for fecal coliform, and is allocated as follows: (a) The WLA for wastewater sources is not applicable; (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 2001 to 2007 period, will require a 43% reduction of sources contributing to exceedances of the criteria; and (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 2001 to 2007 period, will require a 43% reduction of sources contributing to exceedances of the criteria. (2) Cedar Creek. The bacteriological TMDL for Cedar Creek is 400 counts/100mL for fecal coliform, and is allocated as follows: (a) The WLA for wastewater sources is not applicable; (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 2001 to 2008 period, will require a 61% reduction of sources contributing to exceedances of the criteria; and (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 2001 to 2008 period, will require a 61% reduction of sources contributing to exceedances of the criteria. (3) Gilly Creek. The bacteriological TMDL for Gilly Creek is 400 counts/100mL for fecal coliform, and is allocated as follows: (a) The WLA for wastewater sources is not applicable; (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 2001 to 2008 period, will require a 56% reduction of sources contributing to exceedances of the criteria; and (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 2001 to 2008 period, will require a 56% reduction of sources contributing to exceedances of the criteria. (4) Nonsense Creek. The bacteriological TMDL for Nonsense Creek is 400 counts/100mL for fecal coliform, and is allocated as follows: (a) The WLA for wastewater sources is not applicable; (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 2001 to 2008 period, will require a 57% reduction of sources contributing to exceedances of the criteria; and (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 2001 to 2008 period, will require a 57% reduction of sources contributing to exceedances of the criteria. (5) Nonsense Creek. The TMDLs to address the low DO condition are an annual median TN of 0.89 mg/L and an annual median BOD of 2.0 mg/L, and are allocated as follows: (a) The WLA for wastewater point sources is not applicable; (b) The WLAs for discharges subject to the Department’s NPDES MS4 Permitting Program are a 27% reduction of current anthropogenic TN and a 36% reduction of current anthropogenic total BOD loading based on measured concentrations from the 2001 to 2008 period; and (c) The LAs for nonpoint sources are a 27% reduction of current anthropogenic TN, and a 36% reduction of current anthropogenic total BOD loadings based on measured concentrations from the 2001 to 2008 period. (6) Rattlesnake Slough. The bacteriological TMDL for Rattlesnake Slough is 400 counts/100mL for fecal coliform, and is allocated as follows: (a) The WLA for wastewater sources is not applicable; (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 2001 to 2008 period, will require a 48% reduction of sources contributing to exceedances of the criteria; and (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 2001 to 2008 period, will require a 48% reduction of sources contributing to exceedances of the criteria. (7) Rattlesnake Slough. The TMDLs to address the low DO and nutrient impairments in Rattlesnake Slough are 0.84 mg/L of TN, 0.48 mg/L TP, and 2.4 mg/L of BOD and are allocated as follows: (a) The WLA for wastewater point sources is not applicable; (b) The WLAs for discharges subject to the Department’s NPDES MS4 Permitting Program are 30, 21, and 31% reductions of current anthropogenic TN, TP, and BOD loadings, respectively, based on measured concentrations from the 2001 to 2008 period; and (c) The LAs for nonpoint sources are 30, 21, and 31% reductions of current anthropogenic TN, TP, and BOD loadings, respectively, based on measured concentrations from the 2001 to 2008 period.