62-304.330. Pensacola Bay Basin TMDLs

(1) Bayou Chico, Jones Creek, Jackson Creek, Bayou Chico Beach and Sanders Beach. The bacteriological TMDL for Bayou Chico, Jones Creek, Jackson Creek, Bayou Chico Beach and Sanders Beach is 400 counts/100 ml for fecal coliform and is allocated as follows:

(a) A WLA for wastewater point 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 1998 to 2005 period, will require a 61% reduction at sources contributing to exceedances of the criteria; and

(c) The Load Allocation (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 1998 to 2005 period, will require a 61% reduction at sources contributing to exceedances of the criteria.

(2) Blackwater River (Tidal). The bacteriological TMDL for the Blackwater River (Tidal) is 400 counts/100 mL for fecal coliform, and is allocated as follows:

(a) The WLA for the Milton Wastewater Treatment Facility (Permit Number FL0021903) is that the facility must meet its permit limits for fecal coliform;

(b) The WLA for discharges subject to the Department’s NPDES MS4 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 2003 to 2011 period, will require a 7% reduction 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 fecal coliform criteria which, based on the measured concentrations from the 2003 to 2011 period, will require a 7% reduction at sources contributing to exceedances of the criteria.

(3) East Bay River (Marine Portion). The bacteriological TMDL for the East Bay River (Marine Portion) is 43 counts/100mL for fecal coliform, 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 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 2003 to 2011 period, will require a 92% 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 2003 to 2011 period, will require a 92% reduction of sources contributing to exceedances of the criteria.

(4) Escambia River. The bacteriological TMDL for the Escambia River is 400 counts/100mL for fecal coliform, 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 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 2003 to 2011 period, will require a 5% 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 2003 to 2011 period, will require a 5% reduction of sources contributing to exceedances of the criteria.

(5) Texar Bayou. The bacteriological TMDL for Texar Bayou is 400 counts/100mL for fecal coliform, 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 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 2003 to 2011 period, will require a 49% 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 2003 to 2011 period, will require a 49% reduction of sources contributing to exceedances of the criteria.

(6) Carpenter Creek. The bacteriological TMDL for Carpenter Creek is 400 counts/100mL for fecal coliform, 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 to address anthropogenic sources in the basin such that in-stream concentrations meet the fecal coliform criteria which, based on the measured concentrations from 2006 and 2012, will require a 28% 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 2006 and 2012, will require a 28% reduction of sources contributing to exceedances of the criteria.

(7) Turkey Creek. The bacteriological TMDL for Turkey Creek is 400 counts/100mL for fecal coliform, 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 not applicable; 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 2006, 2007, and 2009, will require a 73% reduction of sources contributing to exceedances of the criteria.

(8) Yellow River. The bacteriological TMDL for the Yellow River is 400 counts/100mL for fecal coliform, 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 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 2003 to 2011 period, will require a 60% 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 2003 to 2011 period, will require a 60% reduction of sources contributing to exceedances of the criteria.

(9) Judges Bayou (freshwater). The DO TMDL for the freshwater sections of Judges Bayou is a 74% reduction in TN 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 to address anthropogenic sources in the basin such that in-stream concentrations meet the TN target which, based on reference stream concentrations for the 2003-2010 period, will require a 74% reduction of TN for sources contributing to the DO impairment; and

(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream concentrations meet the TN target which, based on reference stream concentrations from the 2003 to 2010 period, will require a 74% reduction of TN for sources contributing to the dissolved oxygen impairment.

(10) North Escambia Bay and Judges Bayou (marine). The TP TMDL for the Pensacola Bay estuary required to restore the marine sections of North Escambia Bay and Judges Bayou is 601,345 lbs/year, a 35% reduction in TP from the 2002-2009 period to address nutrient impairments. The existing total nitrogen TN loading to the Pensacola Bay estuary is 16,795,853 lbs/year, and no reduction is required. The TMDL is allocated as follows:

(a) The WLA for wastewater point sources discharging to the lower Escambia River and areas adjacent to the impaired waters is divided between GulfPower Company (NPDES permit FL0002275), Pace Water System, Inc. (NPDES permit FL0102202), and Ascend Performance Materials LLC (NPDES permit FL0002488). The allocation to GulfPower Company for TP is 2,852 lbs/year and 21,392 lbs/year for TN. The allocation to Pace Water System, Inc. for TP is 3,852 lbs/year and 32,052 lbs/year for TN. The allocation to Ascend Performance Materials, LLC for TP is 5,147 lbs/year 73,171 lbs/yr for TN;

(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 concentration meet the TP and TN targets which, based on modeled concentration for the 2002-2009 period, will require a 35% reduction of TP and a 0 (zero) % reduction in TN for sources contributing to the nutrient impairment; and,

(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream concentrations meet the TN and TP targets which, based on modeled concentrations from the 2002 to 2009 period, will require a 35% reduction of TP and a 0 (zero) % reduction in TN for sources contributing to the nutrient impairment;

(d) The Department will establish the detailed allocation for sources in paragraphs (b) and (c), above, pursuant to Section 403.067(6)(a), F.S.

(11) Bayou Chico (marine). The TMDL for the marine sections of Bayou Chico is a 30% reduction in TN and a 30% reduction for TP to address a nutrient impairment, 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 to address anthropogenic sources in the basin such that in-stream concentrations meet the TN and TP targets which, based on modeled concentrations for the 2002-2009 period, will require a 30% reduction of both TN and TP for sources contributing to the nutrient impairment; and

(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream concentrations meet the TN and TP targets which, based on modeled concentrations from the 2002 to 2009 period, will require a 30% reduction of both TN and TP for sources contributing to the nutrient impairment.

Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS. History–New 6-3-08, Amended 11-14-12, 2-27-13, 6-7-13, 5-9-21.