62-304.500. Ocklawaha River Basin TMDLs  


Effective on Tuesday, May 30, 2017
  • 1(1) Hatchet Creek.

    4(a) The Total Maximum Daily Load for Iron for Hatchet Creek is 35.91 pounds per day and is allocated as follows:

    251. The Wasteload Allocation for point sources discharging wastewater to Hatchet Creek is 5.6 pounds per day and for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 30.8 percent reduction in current Iron loading,

    672. The Load Allocation for nonpoint sources is a 30.8 percent reduction in current Iron loading; and,

    843. The Margin of Safety is implicit.

    91(b) The Total Maximum Daily Load for Total Coliforms for Hatchet Creek is a 62 percent reduction in Total Coliform loading and is allocated as follows:

    1171. The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 62 percent reduction in current loading,

    1442. The Load Allocation for nonpoint sources is a 62 percent reduction in current loading; and,

    1603. The Margin of Safety is implicit.

    167(2) Hogtown Creek. The Total Maximum Daily Load for Fecal Coliforms for Hogtown Creek is a 51 percent reduction in Fecal Coliform loading and is allocated as follows:

    195(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 51 percent reduction in current loading;

    222(b) The Load Allocation for nonpoint sources is a 51 percent reduction in current loading; and,

    238(c) The Margin of Safety is implicit.

    245(3) Lake Apopka. The Total Maximum Daily Load for Total Phosphorus for Lake Apopka, which includes Lake Apopka Outlet and Gourd Neck Spring, is 15.9 metric tons per year, and is allocated as follows:

    279(a) The Wasteload Allocation for the Winter Garden WWTF is 1.21 metric tons per year;

    294(b) The Load Allocation for nonpoint sources is 14.16 metric tons per year; and,

    308(c) The Margin of Safety is 0.53 metric tons per year.

    319(4) Lake Beauclair. The Total Maximum Daily Load for Total Phosphorus (TP) for Lake Beauclair is 7,056 pounds/year of TP, and is allocated as follows:

    345(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is an 85 percent reduction in current TP loading;

    373(b) The Load Allocation for nonpoint sources is 7,056 pounds TP per year; and,

    388(c) The Margin of Safety is implicit.

    395(5) Lake Dora and Dora Canal. The Total Maximum Daily Load for Total Phosphorus (TP) for Lake Dora and Dora Canal is 13,230 pounds/year of TP, and is allocated as follows:

    427(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 67 percent reduction in current TP loading;

    455(b) The Load Allocation for nonpoint sources is 13,230 pounds TP per year; and,

    470(c) The Margin of Safety is implicit.

    477(6) Lake Eustis and Haines Creek. The Total Maximum Daily Load for Total Phosphorus (TP) for Lake Eustis is 20,286 pounds/year of TP, and is allocated as follows:

    506(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 43 percent reduction in current TP loading;

    534(b) The Load Allocation for nonpoint sources is 20,286 pounds TP per year; and,

    549(c) The Margin of Safety is implicit.

    556(7) Lake Griffin. The Total Maximum Daily Load for Total Phosphorus (TP) for Lake Griffin is 26,901 pounds/year of TP, and is allocated as follows:

    582(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 66 percent reduction in current TP loading;

    610(b) The Load Allocation for nonpoint sources is 26,901 pounds TP per year; and,

    625(c) The Margin of Safety is implicit.

    632(8) Lake Harris, Little Lake Harris, and Helena Run. The combined TMDL for Total Phosphorus (TP) for Lake Harris, Little Lake Harris, and Helena Run is 18,302 pounds/year of TP, and is allocated as follows:

    668(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 32 percent reduction in current TP loading;

    696(b) The Load Allocation for nonpoint sources is 18,302 pounds TP per year; and,

    711(c) The Margin of Safety is implicit.

    718(9) Lake Wauberg.

    721(a) The Total Maximum Daily Load for Total Nitrogen (TN) for Lake Wauberg is 2,062 pounds 738per year (lbs/y) and is allocated as follows:

    7461. The Wasteload Allocation for point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Lake Wauberg,

    7702. The Load Allocation for nonpoint sources is 2,062 lbs/y of TN; and,

    7843. The Margin of Safety is implicit.

    791(b) The Total Maximum Daily Load for Total Phosphorus for Lake Wauberg is 374 pounds per year (lbs/y) and is allocated as follows:

    8141. The Wasteload Allocation for point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Lake Wauberg,

    8382. The Load Allocation for nonpoint sources is 374 lbs/y of TP; and,

    8513. The Margin of Safety is implicit.

    858(10) Lake Yale and Lake Yale Canal. The combined TMDL for Total Phosphorus (TP) for Lake Yale and Lake Yale Canal is 2,844 pounds/year of TP, and is allocated as follows:

    890(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 10 percent reduction in current TP loading,

    918(b) The Load Allocation for nonpoint sources is 2,844 pounds TP per year; and,

    933(c) The Margin of Safety is implicit.

    940(11) Newnans Lake.

    943(a) The Total Maximum Daily Load for Total Nitrogen (TN) for Newnans Lake is 85,470 pounds 960per year (lbs/y), and is allocated as follows:

    9681. The Wasteload Allocation for point sources authorized to discharge wastewater to Newnans Lake is 3,104 lbs/y of TN,

    9882. The Load Allocation for nonpoint sources is 82,366 lbs/y of TN; and,

    10023. The Margin of Safety is implicit.

    1009(b) The Total Maximum Daily Load for Total Phosphorus (TP) for Newnans Lake is 10,924 pounds per year (lbs/y), and is allocated as follows:

    10341. The Wasteload Allocation for point sources authorized to discharge wastewater to Newnans Lake is 386 lbs/y of TP,

    10532. The Load Allocation for nonpoint sources is 10,538 lbs/y of TP; and,

    10673. The Margin of Safety is implicit.

    1074(12) Orange Lake. The Total Maximum Daily Load for Orange Lake is 15,262 pounds 1089per year (lbs/y) of Total Phosphorus (TP) and is allocated as follows:

    1101(a) The Wasteload Allocation for point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Orange Lake,

    1125(b) The Load Allocation for nonpoint sources is 15,262 lbs/y of TP; and,

    1139(c) The Margin of Safety is implicit.

    1146(13) Palatlakaha River. The Total Maximum Daily Loads 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:

    1186(a) The Wasteload Allocations for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program are a 12.8 percent reduction in current BOD loading, a 5.2 percent reduction in current TN loading, and a 7.2 percent reduction in current TP loading;

    1231(b) The Load Allocations for nonpoint sources are 43,042 pounds per year of BOD, 16,696 pounds per year of TN, and 2,207 pounds per year of TP; and,

    1262(c) The Margin of Safety is implicit.

    1269(14) Sweetwater Branch. The Total Maximum Daily Load for Fecal Coliforms for Sweetwater Branch is a 70 percent reduction in Fecal Coliform loading from nonpoint sources and is allocated as follows:

    1300(a) The Wasteload Allocation 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 National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 70 percent reduction in current loading;

    1349(b) The Load Allocation for nonpoint sources is a 70 percent reduction in current loading; and,

    1365(c) The Margin of Safety is implicit.

    1372(15) Trout Lake.

    1375(a) The Total Maximum Daily Load for Trout Lake for Total Nitrogen (TN) is 9,733 pounds 1392per year (lbs/y), and is allocated as follows:

    14001. The Wasteload Allocation for wastewater point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Trout Lake,

    14252. The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 60 percent reduction of current Total Phosphorus loading,

    14543. The Load Allocation for nonpoint sources is 9,733 lbs/y of TN; and,

    14684. The Margin of Safety is implicit.

    1475(b) The Total Maximum Daily Load for Total Phosphorus (TP) for Trout Lake is 521 lbs/y, and is allocated as follows:

    14961. The Wasteload Allocation for wastewater point sources is not applicable because there are no permitted point sources authorized to discharge wastewater to Trout Lake,

    15212. The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is an 80 percent reduction of current Total Nitrogen loading,

    15503. The Load Allocation for nonpoint sources is 521 lbs/y of TP; and,

    15634. The Margin of Safety is implicit.

    1570(16) Tumblin Creek.

    1573(a) The Total Maximum Daily Load for Fecal Coliforms for Tumblin Creek is a 74 percent reduction in Fecal Coliform loading from nonpoint sources and is allocated as follows:

    16021. The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 74 percent reduction in current loading,

    16292. The Load Allocation for nonpoint sources is a 74 percent reduction in current loading; and,

    16453. The Margin of Safety is implicit.

    1652(b) The Total Maximum Daily Load for Total Coliforms for Tumblin Creek is a 91 percent reduction in Total Coliform loading from nonpoint sources and is allocated as follows:

    16811. The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 91 percent reduction in current loading,

    17082. The Load Allocation for nonpoint sources is a 91 percent reduction in current loading; and,

    17243. The Margin of Safety is implicit.

    1731(17) Lake Carlton. The Total Maximum Daily Load for Total Phosphorus (TP) for Lake Carlton is 195 pounds/year of TP, and is allocated as follows:

    1756(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 59 percent reduction in current TP loading,

    1784(b) The Load Allocation for nonpoint sources is 195 pounds TP per year; and,

    1798(c) The Margin of Safety is implicit.

    1805(18) Ocklawaha River. The Total Maximum Daily Load for Total Coliforms for the Ocklawaha River above Daisy Creek is a 43.6 percent reduction in Total Coliform loading and is allocated as follows:

    1837(a) The Wasteload Allocation for point sources is not applicable because there are no permitted point sources authorized to discharge wastewater or stormwater to the Ocklawaha River;

    1864(b) The Load Allocation for nonpoint sources is a 43.6 percent reduction in current loading; and,

    1880(c) The Margin of Safety is implicit.

    1887(19) Alachua Sink. The Total Maximum Daily Load for Total Nitrogen for Alachua Sink is a long-term annual average of 256,322 pounds/year, and is allocated as follows:

    1915(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Wastewater Permitting Program is 41,003 pounds/year;

    1937(b) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 45 percent reduction of current Total Nitrogen loading;

    1966(c) The Load Allocation for nonpoint sources is a 45 percent reduction of current Total Nitrogen loading, and,

    1984(d) The Margin of Safety is implicit.

    1991(20) Silver Springs, Silver Springs Group and Upper Silver River. The nitrate TMDL is an in-stream monthly arithmetic mean concentration of 0.35 mg/L and is allocated as follows:

    2019(a) The Wasteload Allocation for wastewater sources is not applicable;

    2029(b) The Wasteload Allocation for surface water discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program are to address anthropogenic sources in the basin such that in-stream nitrate concentrations meet the TMDL target, which, based on the mean concentrations from the 2000-2011 period, will require a 79 percent reduction of nitrate;

    2085(c) The Load Allocations for nonpoint sources are to address anthropogenic sources in the basin such that in-stream nitrate concentrations meet the TMDL target, which, based on the mean concentrations from the 2000-2011 period, will require a 79 percent reduction of nitrate;

    2127(d) The Margin of Safety is implicit.

    2134(21) Lake Denham. The nutrient Total Maximum Daily Load (TMDL) for Lake Denham is a seven-year average of annual loads of 16,468 kilograms per year (kg/year) Total Nitrogen (TN) and 593 kg/year Total Phosphorus (TP), which are intended to achieve an annual geometric mean chlorophyll 2180a 2181concentration of 26.8 µg/L, and is allocated as follows:

    2190(a) The wasteload allocation (WLA) for wastewater point sources is not applicable;

    2202(b) The WLA for discharges subject to the Department’s NPDES Municipal Separate Storm Sewer System (MS4) Permitting Program is a 61% reduction of TN and a 61% reduction of TP based on average concentrations from the 2000-2012 period;

    2240(c) The Load Allocation (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; and,

    2269(d) The Margin of Safety is implicit.

    2276(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    2341(22) 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 annual geometric mean chlorophyll 2378a 2379criterion for low color and low alkalinity lakes, and is allocated as follows:

    2392(a) The WLA for wastewater point sources is not applicable;

    2402(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;

    2435(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; and,

    2462(d) The Margin of Safety is implicit.

    2469(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    2534(23) 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 annual geometric mean chlorophyll 2570a 2571criterion for low color and high alkalinity lakes, and is allocated as follows:

    2584(a) The WLA for wastewater point sources is not applicable;

    2594(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;

    2627(c) The Load Allocation (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; and,

    2656(d) The Margin of Safety is implicit.

    2663(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    2728(24) 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 annual geometric mean chlorophyll 2767a 2768concentration of 38 µg/L, and is allocated as follows:

    2777(a) The WLA for wastewater point sources is not applicable;

    2787(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is not applicable;

    2803(c) The Load Allocation (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; and,

    2832(d) The Margin of Safety is implicit.

    2839(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    2904(25) 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, annual geometric mean chlorophyll 2942a 2943concentration of 38 µg/L, and is allocated as follows:

    2952(a) The WLA for wastewater point sources is not applicable;

    2962(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is not applicable;

    2978(c) The Load Allocation (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; and,

    3007(d) The Margin of Safety is implicit.

    3014(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    3079(26) 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 annual geometric mean chlorophyll 3115a 3116criterion for high color and high alkalinity lakes, and is allocated as follows:

    3129(a) The WLA for wastewater point sources is not applicable;

    3139(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;

    3172(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; and,

    3199(d) The Margin of Safety is implicit.

    3206(e) While the LA and WLA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody. However, it is not the intent of this TMDL to abate natural background conditions.

    3271Rulemaking Authority 3273403.061, 3274403.067 FS. 3276Law Implemented 3278403.061, 3279403.062, 3280403.067 FS. 3282History–New 8-14-03, Amended 12-3-03, 5-25-04, 6-12-06, 2-5-13, 3-13-17, 5-30-17.