Fla. Admin. Code Ann. R. 62-304.625 - Peace River Basin TMDLs

(1) Lake Cannon. The nutrient TMDL for Lake Cannon is an in-lake AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP which are intended to achieve the applicable AGM chlorophyll a criterion for low color and high alkalinity lakes, 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 a 20% reduction of TN (calculated from 1.33 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 20% reduction of TN (calculated from 1.33 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(2) Lake Howard. The nutrient TMDL for Lake Howard is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 39% reduction of TN (calculated from 1.76 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 39% reduction of TN (calculated from 1.76 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(3) Lake Idylwild. The nutrient TMDL for Lake Idylwild is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 31% reduction of the TN (calculated from 1.54 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 31% reduction of TN (calculated from 1.54 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(4) Lake Jessie. The nutrient TMDL for Lake Jessie is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 12% reduction of TN (calculated from 1.21 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 12% reduction of TN (calculated from 1.21 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(5) Lake Lulu. The nutrient TMDL for Lake Lulu is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 35% reduction of TN (calculated from 1.64 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 35% reduction of TN (calculated from 1.64 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(6) Lake May. The nutrient TMDL for Lake May is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 44% reduction of TN (calculated from 1.90 mg/L) and a 57% reduction of TP (calculated from 0.07 mg/L), which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 44% reduction of TN (calculated from 1.90 mg/L) and 57% reduction of TP (calculated from 0.07 mg/L), which is based on the highest AGM concentration from the 2008 - 2016 period.

(7) Lake Mirror. The TMDL for Lake Mirror for TP is 55 kilograms per year (kg/year), 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 a 28% reduction of the average TP loading for the 1990 to 1999 period;

(c) The LA for nonpoint sources is 51 kg/year of TP; and,

(d) The Margin of Safety is 4 kg/year of TP.

(8) Lake Shipp. The nutrient TMDL for Lake Shipp is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 49% reduction of TN (calculated from 2.08 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 49% reduction of TN (calculated from 2.08 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(9) Wahneta Farms Drainage Canal. The bacteriological TMDL for Wahneta Farms Drainage Canal Creek is 400 counts/100 mL for fecal coliform, and is allocated as follows:

(a) 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 1999 to 2004 period, will require a 39% reduction at sources contributing to exceedances of the criteria; and

(b) 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 1999 to 2004 period, will require a 39% reduction at sources contributing to exceedances of the criteria.

(10) Peace River Above Bowlegs Creek. The bacteriological TMDL for the Peace River above Bowlegs Creek is a median of 2.29 x 10¹² colonies/day for fecal coliform under "moist conditions, " which are defined as flows ranging from 99 to 665 cubic feet per second (cfs), and a median of 1.66 x 10¹¹ colonies/day for fecal coliform under "dry conditions, " which are defined as flows ranging from 6.4 to 35 cfs, and is allocated as follows:

(a) 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 1993 to 2003 period, will require a 23% reduction at sources contributing to exceedances of the criteria during moist conditions and a 52% reduction at sources contributing to exceedances of the criteria during dry conditions; and

(b) 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 1993 to 2003 period, will require a 23% reduction at sources contributing to exceedances of the criteria during moist conditions and a 52% reduction at sources contributing to exceedances of the criteria during dry conditions.

(11) Peace Creek Drainage Canal. The bacteriological TMDL for Peace Creek Drainage Canal is a median of 3.62 x 10¹¹ colonies/day for fecal coliform, and is allocated as follows:

(a) The WLA for discharges subject to the Department's NPDES Wastewater Permitting Program is to meet applicable water quality criteria for fecal coliform;

(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 1992 to 2004 period, will require a 62% 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 1992 to 2004 period, will require a 62% reduction at sources contributing to exceedances of the criteria.

(12) Lake Bonny: The nutrient Total Maximum Daily Load (TMDL) for Lake Bonny is an in-lake AGM concentration of 0.89 mg/L TN and 0.04 mg/L TP, 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 64% reduction of TN and a 60% reduction of TP based on mean concentrations from the 2002-2012 period; and

(c) The LA for nonpoint sources is a 64% reduction of TN and a 60% reduction of TP based on mean concentrations from the 2002-2012 period.

(13) Lake Hollingsworth: The nutrient TMDL for Lake Hollingsworth is an in-lake AGM concentration of 0.86 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 68% reduction of TN (calculated from 2.66 mg/L) and a 75% reduction of TP (calculated from 0.12 mg/L), which are the highest AGMs based on mean concentrations from the 2002-2012 period; and

(c) The LA for nonpoint sources is a 68% reduction of TN (calculated from 2.66 mg/L) and a 75% reduction of TP (calculated from 0.12 mg/L), which are the highest AGMs based on mean concentrations from the 2002-2012 period.

(14) Lake Lena: The nutrient TMDL for Lake Lena is an in-lake AGM concentration of 1.14 mg/L 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 a 42% reduction of TN based on mean concentrations from the 2003-2012 period; and

(c) The LA for nonpoint sources is a 42% reduction of TN based on mean concentrations from the 2003-2012 period.

(15) Deer Lake: The nutrient TMDL for Deer Lake is an in-lake AGM concentration of 1.42 mg/L 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 a 12% reduction of TN based on mean concentrations from the 2005-2012 period; and

(c) The LA for nonpoint sources is a 12% reduction of TN based on mean concentrations from the 2005-2012 period.

(16) Lake Haines. The nutrient TMDL for Lake Haines is an AGM concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for high color lakes, 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 33% reduction of TN (calculated from 1.56 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest annual geometric mean concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 33% reduction of TN (calculated from 1.56 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest annual geometric mean concentration from the 2003-2016 period.

(17) Lake Rochelle. The nutrient TMDL for Lake Rochelle is an AGM concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 32% reduction of TN (calculated from 1.54 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 32% reduction of TN (calculated from 1.54 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(18) Lake Conine. The nutrient TMDL for Lake Conine is an AGM concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 36% reduction of TN (calculated from 1.65 mg/L) and a 57% reduction of TP (calculated from 0.07 mg/L), which are the highest annual geometric mean concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 36% reduction of TN (calculated from 1.65 mg/L) and a 57% reduction of TP (calculated from 0.07 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(19) Lake Alfred. The nutrient TMDL for Lake Alfred is an AGM concentration of 1.69 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 16% reduction of TN (calculated from 2.00 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 16% reduction of TN (calculated from 2.00 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest annual geometric mean concentrations from the 2003-2016 period.

(20) Lake Blue. The nutrient TMDL for Lake Blue is an AGM concentration of 1.16 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 66% reduction of TN (calculated from 3.45 mg/L) and a 67% reduction of TP (calculated from 0.09 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 66% reduction of TN (calculated from 3.45 mg/L) and a 67% reduction of TP (calculated from 0.09 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(21) Lake Marianna. The nutrient TMDL for Lake Marianna is an AGM concentration of 1.00 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 44% reduction of TN (calculated from 1.79 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 44% reduction of TN (calculated from 1.79 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(22) Lake Ariana. The nutrient TMDL for Lake Ariana is an AGM concentration of 0.97 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, high alkalinity lakes, 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 36% reduction of TN (calculated from 1.51 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 36% reduction of TN (calculated from 1.51 mg/L) and a 0% reduction of TP (calculated from 0.03 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(23) Eagle Lake. The nutrient TMDL for Eagle Lake is an AGM concentration of 0.63 mg/L TN and 0.01 mg/L TP, which is intended to achieve the applicable AGM chlorophyll a criterion for low color, low alkalinity lakes, 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 38% reduction of TN (calculated from 1.01 mg/L) and a 50% reduction of TP (calculated from 0.02 mg/L), which are the highest AGM concentrations from the 2003-2016 period; and

(c) The LA for nonpoint sources is a 38% reduction of TN (calculated from 1.01 mg/L) and a 50% reduction of TP (calculated from 0.02 mg/L), which are the highest AGM concentrations from the 2003-2016 period.

(24) Lake Eloise. The nutrient TMDL for Lake Eloise is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 33% reduction of TN (calculated from 1.59 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 33% reduction of TN (calculated from 1.59 mg/L) and 0% reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(25) Lake Hartridge. The nutrient TMDL for Lake Hartridge is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, 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 a 36% reduction of TN (calculated from 1.66 mg/L) and 0% reduction of TP, which is based on the highest AGM concentrations from the 2008 - 2016 period; and

(c) The LA for nonpoint sources is 36% reduction of TN (calculated from 1.66 mg/L) and 0 % reduction of TP, which is based on the highest AGM concentration from the 2008 - 2016 period.

(26) Lake McLeod. The nutrient TMDL for Lake McLeod is a seven-year average of annual loads of 8, 172 lbs/year TN and 609 lbs/year TP, which are intended to achieve the applicable chlorophyll a criterion for low color and low alkalinity lakes, 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 21% reduction of TN (calculated from 10, 330 lbs/year) and a 46% reduction of TP (calculated from 1, 120 lbs/year) from the 2001-2016 period; and

(c) The LA for nonpoint sources is a 21% reduction of TN (calculated from 10, 330 lbs/year) and a 46% reduction of TP (calculated from 1, 120 lbs/year) based on average loads from the 2001-2016 period.

Notes

Fla. Admin. Code Ann. R. 62-304.625

Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS.

New 5-1-07, Amended by Florida Register Volume 41, Number 022, February 3, effective 2/19/2015, Amended by Florida Register Volume 44, Number 153, August 7, 2018 effective 8/19/2018, Amended by Florida Register Volume 45, Number 201, October 15, 2019 effective 10/29/2019, Amended by Florida Register Volume 46, Number 009, January 14, 2020 effective 1/30/2020, Amended by Florida Register Volume 47, Number 081, April 27, 2021 effective 5/9/2021.

New 5-1-07, Amended 2-19-15, 8-19-18, 10-29-19, 1-30-20, 5-9-21.