Section 62-304.805 - Charlotte Harbor Basin TMDLs(1) Coral Creek - East Branch. The TMDLs to address the low DO condition for Coral Creek - East Branch are 0.74 mg/L TN, 0.044 mg/L TP, and 2.0 mg/L five-day BOD, and are 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 to address anthropogenic sources in the basin such that in-stream concentrations meet the DO criteria, based on the measured concentrations from the January 2007 to December 2007 period, will require a 31% reduction of TN, a 36% reduction of TP, and a 33% reduction of BOD at 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 DO criteria which, based on the measured concentrations from the January 2007 to December 2007 period, will require a 31% reduction of TN, a 36% reduction of TP, and a 33% reduction of BOD at sources contributing to exceedances of the criteria.(2) Gottfried Creek. The bacteriological TMDL for Gottfried 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 2005 to 2008 period, will require a 74% 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 2005 to 2008 period, will require a 74% reduction of sources contributing to exceedances of the criteria.(3) North Prong of Alligator Creek. The bacteriological TMDL for the North Prong of Alligator 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 2005 and 2007 period, will require a 72% 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 2005 and 2007 period, will require a 72% reduction of sources contributing to exceedances of the criteria.(4) Sanibel Slough West. The nutrient TMDL for Sanibel Slough West is a three-year average of annual loads of 1, 903 kilograms per year (kg/year) TN and 241 kg/year TP, which are intended to achieve an AGM chlorophyll a concentration of 11 µg/L not to be exceed more than once in any consecutive three-year period, and is allocated as follows:(a) The WLA for wastewater point sources is not applicable;(b) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 26% reduction of TN and a 34% reduction of TP from the 2007-2013 period; and(c) The LA for nonpoint sources is a 26% reduction of TN and a 34% reduction of TP based on average loads from the 2007-2013 period.(5) Sanibel Slough East. The nutrient TMDL for Sanibel Slough East is a three-year average of annual loads of 1, 091 kg/year TN and 123 kg/year TP, which are intended to achieve an AGM chlorophyll a concentration of 21 µg/L not to be exceed more than once in any consecutive three-year period, and is allocated as follows:(a) The WLA for wastewater point sources is not applicable;(b) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 54% reduction of TN and a 74% reduction of TP based on average loads from the 2007-2013 period; and(c) The LA for nonpoint sources is a 54% reduction of TN and a 74% reduction of TP based on average loads from the 2007-2013 period.Fla. Admin. Code Ann. R. 62-304.805
Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS.
New 10-15-09, Amended 8-26-10, Amended by Florida Register Volume 43, Number 191, October 3, 2017 effective 10/18/2017, Amended by Florida Register Volume 47, Number 081, April 27, 2021 effective 5/9/2021.New 10-15-09, Amended 8-26-10, 10-18-17, 5-9-21.