62-304.625. Peace River Basin TMDLs  


Effective on Thursday, January 30, 2020
  • 1(1) Lake Cannon. The nutrient TMDL for 8Lake 9Cannon is an annual in-lake geometric mean concentration of 1.07 mg/L Total Nitrogen (TN) and 0.03 mg/L Total Phosphorus (TP) which are intended to achieve the applicable annual geometric mean (AGM) chlorophyll a criterion for low color and high alkalinity lakes, and is allocated as follows:

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

    64(b) The WLA for discharges subject to the Department’s National Pollutant Discharge E77limination System (NPDES) Municipal Separate Stormwater Sewer System (MS4) Permitting Program is a 20% reduction of TN 94(calculated from 1.33 mg/L) 98and 0% reduction of TP, 103which is based on the highest 109AGM concentrations from the 2008 ‒ 2016 period;

    117(c) The 119Load Allocation (LA) for nonpoint sources is 12620% reduction of TN (calculated from 1.33 mg/L) 134and 0% reduction of TP, 139which is based on the highest AGM concentration from the 2008 ‒ 2016 period, 153and

    154(d) The Margin of Safety is implicit.

    161(e) 162While the LA fo166r 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.

    225(2) Lake Howard. The nutrient TMDL for 232Lake 233Howard 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:

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

    277(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;

    319(c) The LA for nonpoint sources is 32639% reduction of TN (calculated from 1.76 mg/L) 334and 0% reduction of TP, 339which is based 342on the highest AGM concentration from the 2008 ‒ 2016 period, 353and

    354(d) The Margin of Safety is implicit.

    361(e) 362While the LA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combin389ed 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.

    425(3) Lake Idylwild. The nutrient TMDL for 432Lake 433Idylwild 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:

    468(a) The WLA for wastewater sourc474es is not applicable;

    478(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 520period;

    521(c) The LA for nonpoint sources is 52831% reduction of TN (calculated from 1.54 mg/L) 536and 0% reduction of TP, 541which is based on the highest AGM concentration from the 2008 ‒ 2016 period, 555and

    556(d) The Margin of Safety is implicit.

    563(e) 564While the LA for 568TN 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.

    626(4) Lake Jessie. The nutrient TMDL for 633Lake 634Jessie 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:

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

    678(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;

    720(c) The LA for nonpoint sources is 72712% reduction of TN (calculated from 1.21 mg/L) 735and 0% reduction of TP, 740which is based on 744the highest AGM concentration from the 2008 ‒ 2016 period, 754and

    755(d) The Margin of Safety is implicit.

    762(e) 763While the LA for TN and TP has been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined 790reductions 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.

    825(5) Lake Lulu. The nutrient TMDL for 832Lake 833Lulu 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:

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

    877(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;

    919(c) The LA for nonpoint sources is 35927% reduction of TN (calculated from 1.64 mg/L) 935and 0% reduction of TP, 940which is based on the highest AGM concentration from the 2008 951‒ 2016 period, 954and

    955(d) The Margin of Safety is implicit.

    962(e) 963While the LA 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 996nonpoint 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.

    1025(6) Lake May. The nutrient TMDL for 1032Lake 1033May 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:

    1068(a) The WLA for wastewater sources is not applicable;

    1077(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;

    1124(c) The LA for nonpoint sources is 441132% 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 1160‒ 2016 period, 1163and

    1164(d) The Margin of Safety is implicit.

    1171(e) 1172While the LA 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 1205nonpoint 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.

    1234(7) Lake Mirror. The Total Maximum Daily Load for 1243Lake 1244Mirror for Total Phosphorus (TP) is 55 kilograms per year (kg/year), and is allocated as follows:

    1260(a) The Wasteload Allocation for wastewater sources is not applicable because there are no permitted point sources authorized to discharge wastewater to the lake;

    1284(b) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is a 28 percent reduction of the average TP loading for the 1990 to 1999 period;

    1319(c) The Load Allocation for nonpoint sources is 51 kg/year of TP; and,

    1332(d) The Margin of Safety is 4 kg/year of TP.

    1342(8) Lake Shipp. The nutrient TMDL for 1349Lake 1350Shipp 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:

    1385(a) The WLA for wastewater sources is not applicable;

    1394(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;

    1436(c) The LA for nonpoint sources is 491444% reduction of TN (calculated from 2.08 mg/L) 1452and 0% reduction of TP, 1457which is based on the highest AGM co1465ncentration from the 2008 ‒ 2016 period, 1472and

    1473(d) The Margin of Safety is implicit.

    1480(e) 1481While the LA 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 bo1511th 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.

    1544(9) Wahneta Farms Drainage Canal. The fecal coliform Total Maximum Daily Load for Wahneta Farms Drainage Canal Creek is 400 counts/100 mL, and is allocated as follows:

    1571(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is to address anthropogenic sources in the basin 1598such 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;

    1632(b) The Load Allocation for nonpoint sources 1639is 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,

    1682(c) The Margin of Safety is implicit.

    1689(10) Peace River Above Bowlegs Creek. The fecal coliform Total Maximum Daily Load for the Peace River Above Bowlegs Creek is a median of 2.29 x 10171612 1717colonies/day 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 10174411 1745colonies/day under “dry conditions,” which are defined as flows ranging from 6.4 to 35 cfs, and is allocated as follows:

    1766(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is to address anthropogenic sources in the basin 1793such 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 1828moist conditions and a 52% reduction at sources contributing to exceedances of the criteria during dry conditions;

    1845(b) The Load Allocations 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; and,

    1913(c) The Margin of Safety is implicit.

    1920(11) Peace Creek Drainage Canal. The fecal coliform Total Maximum Daily Load for Peace Creek Drainage Canal is a median of 3.62 x 10194411 1945colonies/day, and is allocated as follows:

    1951(a) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Wastewater Permitting Program is to meet applicable water quality criteria for fecal coliform;

    1979(b) The Wasteload Allocation for discharges subject to the Department’s National Pollutant Discharge Elimination System Municipal Stormwater Permitting Program is to address anthropogenic sources in the basin 2006such 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;

    2040(c) The Load Allocation 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; and,

    2090(d) The Margin of Safety is implicit.

    2097(12) While the Load Allocation and Wasteload Allocation for fecal coliform as set forth in subsections (9), (10) and (11), above, have been expressed as the percent reductions needed to attain the applicable Class III criteria, it is the combined reductions from both anthropogenic point and nonpoint sources that will result in the required reduction of in-stream fecal coliform concentrations. However, it is not the intent of these Total Maximum Daily Loads to abate natural background conditions.

    2174(13) 2175Lake Bonny: The nutrient Total Maximum Daily Load (TMDL) for Lake Bonny is an annual in-lake geometric mean concentration of 0.89 mg/L Total Nitrogen (TN) and 0.04 mg/L TP, and is allocated as follows:

    2209(a) The wasteload allocation (WLA) for wastewater point sources is not applicable;

    2221(b) The WLA for discharges subject to the Department’s NPDES Municipal Separate Storm Sewer System (MS4) Permitting Program is a 64% reduction of TN and a 60% reduction of TP based on mean concentrations from the 2002-2012 period;

    2259(c) The Load Allocation (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; and,

    2288(d) The Margin of Safety is implicit.

    2295(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.

    2360(14) 2361Lake Hollingsworth: The nutrient TMDL for Lake Hollingsworth is an annual in-lake geometric mean concentration of 0.86 mg/L TN and 0.03 mg/L TP, which is intented to achieve the applicable annual geometric mean chlorophyll 2395a 2396criterion for low color, high alkalinity lakes, and is allocated as follows:

    2408(a) The WLA for wastewater point sources is not applicable;

    2418(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 annual geometric based on mean concentrations from the 2002-2012 period;

    2465(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 annual geometric based on mean concentrations from the 2002-2012 period; and,

    2506(d) The Margin of Safety is implicit.

    2513(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.

    2578(15) 2579Lake Lena: The nutrient TMDL for Lake Lena is an annual in-lake geometric mean concentration of 1.14 mg/L TN, and is allocated as follows:

    2603(a) The WLA for wastewater point sources is not applicable;

    2613(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;

    2640(c) The LA for nonpoint sources is a 42% reduction of TN based on mean concentrations from the 2003-2012 period; and,

    2661(d) The Margin of Safety is implicit.

    2668(e) While the LA and WLA for TN 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.

    2731(16) 2732Deer Lake: The nutrient TMDL for Deer Lake is an annual in-lake geometric mean concentration of 1.42 mg/L TN, and is allocated as follows:

    2756(a) The WLA for wastewater point sources is not applicable;

    2766(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;

    2793(c) The LA for nonpoint sources is a 12% reduction of TN based on mean concentrations from the 2005-2012 period; and,

    2814(d) The Margin of Safety is implicit.

    2821(e) While the LA and WLA for TN 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.

    2884(17) Lake Haines. The nutrient TMDL for Lake Haines is an annual geometric mean concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 2918a 2919criterion for high color lakes, and is allocated as follows:

    2929(a) The WLA for wastewater point sources is not applicable,

    2939(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,

    2984(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, and

    3023(d) The Margin of Safety is implicit.

    3030(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.

    3095(18) Lake Rochelle. The nutrient TMDL for Lake Rochelle is an annual geometric mean concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 3129a 3130criterion for low color, high alkalinity lakes, and is allocated as follows:

    3142(a) The WLA for wastewater point sources is not applicable,

    3152(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 annual geometric mean concentrations from the 2003-2016 period,

    3197(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 annual geometric mean concentrations from the 2003-2016 period, and

    3236(d) The Margin of Safety is implicit.

    3243(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.

    3308(19) Lake Conine. The nutrient TMDL for Lake Conine is an annual geometric mean concentration of 1.05 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 3342a 3343criterion for low color, high alkalinity lakes, and is allocated as follows:

    3355(a) The WLA for wastewater point sources is not applicable,

    3365(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,

    3410(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 annual geometric mean concentrations from the 2003-2016 period, and

    3449(d) The Margin of Safety is implicit.

    3456(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.

    3521(20) Lake Alfred. The nutrient TMDL for Lake Alfred is an annual geometric mean concentration of 1.69 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 3555a 3556criterion for low color, high alkalinity lakes, and is allocated as follows:

    3568(a) The WLA for wastewater point sources is not applicable,

    3578(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 annual geometric mean concentrations from the 2003-2016 period,

    3623(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, and

    3662(d) The Margin of Safety is implicit.

    3669(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.

    3734(21) Lake Blue. The nutrient TMDL for Lake Blue is an annual geometric mean concentration of 1.16 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 3768a 3769criterion for low color, high alkalinity lakes, and is allocated as follows:

    3781(a) The WLA for wastewater point sources is not applicable,

    3791(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 annual geometric mean concentrations from the 2003-2016 period,

    3836(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 annual geometric mean concentrations from the 2003-2016 period, and

    3875(d) The Margin of Safety is implicit.

    3882(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.

    3947(22) Lake Marianna. The nutrient TMDL for Lake Marianna is an annual geometric mean concentration of 1.00 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 3981a 3982criterion for low color, high alkalinity lakes, and is allocated as follows:

    3994(a) The WLA for wastewater point sources is not applicable,

    4004(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 annual geometric mean concentrations from the 2003-2016 period,

    4049(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 annual geometric mean concentrations from the 2003-2016 period, and

    4088(d) The Margin of Safety is implicit.

    4095(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.

    4160(23) Lake Ariana. The nutrient TMDL for Lake Ariana is an annual geometric mean concentration of 0.97 mg/L TN and 0.03 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 4194a 4195criterion for low color, high alkalinity lakes, and is allocated as follows:

    4207(a) The WLA for wastewater point sources is not applicable,

    4217(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 annual geometric mean concentrations from the 2003-2016 period,

    4262(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 annual geometric mean concentrations from the 2003-2016 period, and

    4301(d) The Margin of Safety is implicit.

    4308(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.

    4373(24) Eagle Lake. The nutrient TMDL for Eagle Lake is an annual geometric mean concentration of 0.63 mg/L TN and 0.01 mg/L TP, which is intended to achieve the applicable annual geometric mean chlorophyll 4407a 4408criterion for low color, low alkalinity lakes, and is allocated as follows:

    4420(a) The WLA for wastewater point sources is not applicable,

    4430(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 38% reduction of TN (calculated from 44511.01 4452mg/L) and a 50% reduction of TP (calculated from 0.02 mg/L), which are the highest annual geometric mean concentrations from the 2003-2016 period,

    4475(c) The LA for nonpoint sources is a 38% reduction of TN (calculated from 44891.01 4490mg/L) and a 50% reduction of TP (calculated from 0.02 mg/L), which are the highest annual geometric mean concentrations from the 2003-2016 period, and

    4514(d) The Margin of Safety is implicit.

    4521(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.

    4586(25) 4587Lake Eloise. 4589The nutrient TMDL for 4593Lake 4594Eloise 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:

    4629(a) The WLA for wastewater sources is not applicable;

    4638(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;

    4680(c) The LA for nonpoint sources is 334688% reduction of TN (calculated 4693from 1.59 mg/L) 4696and 0% reduction of TP, 4701which is based on the highest AGM concentration from the 2008 ‒ 2016 period, 4715and

    4716(d) The Margin of Safety is implicit.

    4723(e) 4724While the LA for TN and TP has been expressed as the percent reduction needed to attain the 4742applicable 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.

    4786(26) 4787Lake Hartridge. 4789The nutrient TMDL for 4793Lake 4794Hartridge is an AGM concentration of 1.07 mg/L TN and 0.03 mg/L TP, 4807which are intended to achieve the applicable AGM chlorophyll a for low color and high alkalinity lakes, and is allocated as follows:

    4829(a) The WLA for wastewater sources is not applicable;

    4838(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;

    4880(c) The LA for nonpoint sources is 364888% reduction of TN (calculated from 1.66 mg/L) 4896and 0 % reduction of TP, 4902which is based on the highest AGM concentration from the 2008 4913‒ 2016 period, 4916and

    4917(d) The Margin of Safety is implicit.

    4924(e) 4925While the LA 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 4958nonpoint 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.

    4987(27) 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 5020a 5021criterion for low color and low alkalinity lakes, and is allocated as follows:

    5034(a) The WLA for wastewater point sources is not applicable;

    5044(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;

    5083(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; and,

    5120(d) The Margin of Safety is implicit.

    5127(e) While the LA and WLA for TN and TP have been expressed as the percent reduction needed to attain the applicable Class III nutrient criteria, it is the combined reductions from both point and nonpoint sources that will result in the restoration of nutrient conditions in the impaired waterbody.

    5177Rulemaking Authority 5179403.061, 5180403.067 FS. 5182Law Implemented 5184403.061, 5185403.062, 5186403.067 FS. 5188History–New 5-1-07, Amended 2-19-15, 8-19-18, 10-29-19, 1-30-20.