Section 62-304.500 - Ocklawaha River Basin TMDLs(1) Hatchet Creek. The Iron TMDL for Hatchet Creek is 35.91 pounds per day and is allocated as follows:(a) The WLA for point sources discharging wastewater to Hatchet Creek is 5.6 pounds per day and for discharges subject to the Department's NPDES MS4 Permitting Program is a 30.8% reduction in current Iron loading; and(b) The LA for nonpoint sources is a 30.8% reduction in current Iron loading.(2) Hogtown Creek. The bacteriological TMDL for Hogtown Creek is a 51% reduction in Fecal Coliform loading and is allocated as follows:(a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 51% reduction in current loading; and(b) The LA for nonpoint sources is a 51% reduction in current loading.(3) Lake Apopka. The TMDL for TP for Lake Apopka, which includes Lake Apopka Outlet and Gourd Neck Spring, is 15.9 metric tons per year, and is allocated as follows: (a) The WLA for the Winter Garden WWTF is 1.21 metric tons per year;(b) The LA for nonpoint sources is 14.16 metric tons per year; and,(c) The Margin of Safety is 0.53 metric tons per year.(4) Lake Beauclair. The TMDL for TP for Lake Beauclair is 7, 056 pounds/year of TP, and is allocated as follows:(a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is an 85% reduction in current TP loading; and(b) The LA for nonpoint sources is 7, 056 pounds TP per year.(5) Lake Dora and Dora Canal. The TMDL for TP for Lake Dora and Dora Canal is 13, 230 pounds/year of TP, and is allocated as follows: (a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 67% reduction in current TP loading; and(b) The LA for nonpoint sources is 13, 230 pounds TP per year.(6) Lake Eustis and Haines Creek. The TMDL for TP for Lake Eustis is 20, 286 pounds/year of TP, and is allocated as follows:(a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 43% reduction in current TP loading; and(b) The LA for nonpoint sources is 20, 286 pounds TP per year.(7) Lake Griffin. The TMDL for TP for Lake Griffin is 26, 901 pounds/year of TP, and is allocated as follows: (a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 66% reduction in current TP loading; and(b) The LA for nonpoint sources is 26, 901 pounds TP per year.(8) Lake Harris, Little Lake Harris, and Helena Run. The combined TMDL for TP for Lake Harris, Little Lake Harris, and Helena Run is 18, 302 pounds/year of TP, and is allocated as follows: (a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 32% reduction in current TP loading; and(b) The LA for nonpoint sources is 18, 302 pounds TP per year.(9) Lake Wauberg. The TMDL for Lake Wauberg is 2, 062 lbs/yr of TN and 374 lbs/yr of TP and is allocated as follows: (a) The WLA for wastewater point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Lake Wauberg; and(b) The LA for nonpoint sources is 2, 062 lbs/yr of TN and 374 lbs/yr of TP.(10) Lake Yale and Lake Yale Canal. The combined TMDL for TP for Lake Yale and Lake Yale Canal is 2, 844 pounds/year of TP, and is allocated as follows:(a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 10% reduction in current TP loading; and(b) The LA for nonpoint sources is 2, 844 pounds TP per year.(11) Newnans Lake. The TMDL for Newnans Lake is 85, 470 lbs/yr of TN and 10, 924 lbs/yr of TP, and is allocated as follows:(a) The WLA for point sources authorized to discharge wastewater to Newnans Lake is 3, 104 lbs/yr of TN and 386 lbs/yr of TP; and(b) The LA for nonpoint sources is 82, 366 lbs/yr of TN and 10, 538 lbs/yr of TP.(12) Orange Lake. The TMDL for Orange Lake is 15, 262 lbs/yr of TP, and is allocated as follows: (a) The WLA for wastewater point sources is not applicable; and(b) The LA for nonpoint sources is 15, 262 lbs/yr of TP.(13) Palatlakaha River. The TMDLs for the Palatlakaha River are 43, 042 pounds per year of BOD, 16, 696 pounds per year of TN, and 2, 207 pounds per year of TP, and are allocated as follows: (a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program are a 12.8% reduction in current BOD loading, a 5.2% reduction in current TN loading, and a 7.2% reduction in current TP loading; and(b) The LA for nonpoint sources is 43, 042 pounds per year of BOD, 16, 696 pounds per year of TN, and 2, 207 pounds per year of TP.(14) Sweetwater Branch. The bacteriological TMDL for Sweetwater Branch is a 70% reduction in Fecal Coliform loading from nonpoint sources and is allocated as follows: (a) The WLA for point sources discharging wastewater to Sweetwater Branch is for all permittees to meet the Class III criteria for Fecal Coliforms and for discharges subject to the Department's NPDES MS4 Permitting Program is a 70% reduction in current loading; and(b) The LA for nonpoint sources is a 70% reduction in current loading.(15) Trout Lake. The TMDL for Trout Lake is 9, 733 lbs/yr of TN and 521 lbs/yr of 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 60% reduction of current TP loading and 80% reduction of current TN loading; and(c) The LA for nonpoint sources is 9, 733 lbs/yr of TN and 521 lbs/yr of TP.(16) Tumblin Creek. The bacteriological TMDL for Tumblin Creek is a 74% reduction in Fecal Coliform loading from nonpoint sources and is allocated as follows:(a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 74% reduction in current loading; and(b) The Load Allocation for nonpoint sources is a 74% reduction in current loading.(17) Lake Carlton. The TMDL for TP for Lake Carlton is 195 pounds/year of TP, and is allocated as follows: (a) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 59% reduction in current TP loading; and(b) The LA for nonpoint sources is 195 pounds TP per year.(18) Alachua Sink. The TMDL for TN for Alachua Sink is a long-term annual average of 256, 322 pounds/year, and is allocated as follows:(a) The WLA for wastewater point source discharges subject to the Department's NPDES Permitting Program is 41, 003 pounds/year;(b) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 45% reduction of current TN; and(c) The LA for nonpoint sources is a 45% reduction of current TN loading.(19) Silver Springs, Silver Springs Group and Upper Silver River. The nitrate-nitrite TMDL is an in-stream monthly arithmetic mean concentration of 0.35 mg/L and is allocated as follows: (a) The WLA for wastewater sources is not applicable;(b) The WLA for surface water discharges subject to the Department's NPDES MS4 Permitting Program are to address anthropogenic sources in the basin such that in-stream nitrate-nitrite concentrations meet the TMDL target, which, based on the mean concentrations from the 2000-2011 period, will require a 79% reduction of nitrate-nitrite; and(c) The LA for nonpoint sources is to address anthropogenic sources in the basin such that in-stream nitrate-nitrite concentrations meet the TMDL target, which, based on the mean concentrations from the 2000-2011 period, will require a 79% reduction of nitrate-nitrite.(20) Lake Denham. The nutrient TMDL for Lake Denham is a seven-year average of annual loads of 16, 468 kilograms per year (kg/year) TN and 593 kg/year TP, which are intended to achieve an AGM chlorophyll a concentration of 26.8 µg/L, 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 61% reduction of TN and a 61% reduction of TP based on average concentrations from the 2000-2012 period; and(c) The LA for nonpoint sources is a 61% reduction of TN and a 61% reduction of TP based on average loads from the 2000-2012 period.(21) Lake Weir. The nutrient TMDL for Lake Weir is a seven-year average of annual loads of 27, 432 kg/year TN and 1, 667 kg/year TP, which are intended to achieve the applicable AGM 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 19% reduction of TN and a 39% reduction of TP based on average concentrations from the 2000-2012 period; and(c) The LA for nonpoint sources is a 19% reduction of TN and a 39% reduction of TP based on average loads from the 2000-2012 period.(22) Marshall Lake. The nutrient TMDL for Marshall Lake is a seven-year average of annual loads of 2, 046 kg/year TN and 97 kg/year 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 point sources is not applicable;(b) The WLA for discharges subject to the Department's NPDES MS4 Permitting Program is a 35% reduction of TN and a 69% reduction of TP based on average concentrations from the 2000-2012 period; and(c) The LA for nonpoint sources is a 35% reduction of TN and a 69% reduction of TP based on average loads from the 2000-2012 period.(23) Lochloosa Lake. The nutrient TMDL for Lochloosa Lake is a seven-year average of annual loads of 78, 163 kg/year TN and 4, 505 kg/year TP, which are intended to achieve a seven-year average of AGM chlorophyll a concentration of 38 µg/L, 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 a 59% reduction of TN and a 41% reduction of TP based on average loads from the 2004-2010 period.(24) Cross Creek. The nutrient TMDL for Cross Creek is a seven-year average of annual loads of 32, 514 kg/year TN and 1, 601 kg/year TP, which are intended to achieve a seven-year average, AGM chlorophyll a concentration of 38 µg/L, 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 a 43% reduction of TN and a 31% reduction of TP based on average loads from the 2004-2010 period.(25) Lake Roberts. The nutrient TMDL for Lake Roberts is a seven-year average of annual loads of 1, 655 kg/year TN and 100 kg/year TP, which are intended to achieve the applicable AGM chlorophyll a criterion for high color and 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 and a 28% reduction of TP based on average concentrations from the 2000-2012 period; and(c) The LA for nonpoint sources is a 16% reduction of TN and a 28% reduction of TP based on average loads from the 2000-2012 period.Fla. Admin. Code Ann. R. 62-304.500
Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS.
New 8-14-03, Amended 12-3-03, 5-25-04, 6-12-06, 2-5-13, Amended by Florida Register Volume 43, Number 040, February 28, 2017 effective 3/13/2017, Amended by Florida Register Volume 43, Number 095, May 16, 2017 effective 5/30/2017, Amended by Florida Register Volume 47, Number 081, April 27, 2021 effective 5/9/2021.New 8-14-03, Amended 12-3-03, 5-25-04, 6-12-06, 2-5-13, 3-13-17, 5-30-17, 5-9-21.