62-304.406. Aucilla River Basin TMDLs  


Effective on Sunday, May 9, 2021
  • 1(1) Wacissa River. The nutrient TMDL for the Wacissa River is an in-stream monthly arithmetic mean concentration of 0.20 mg/L nitrate-nitrite, and is allocated as follows:

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

    37(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 39% reduction of nitrate-nitrite based on average concentrations from the 2005-2015 period; and

    65(c) The LA for nonpoint sources is a 39% reduction of nitrate-nitrite based on average loads from the 2005-2015 period.

    85(2) Wacissa Springs. The nutrient TMDL for Wacissa Springs is a monthly arithmetic mean of 0.24 mg/L nitrate-nitrite at the spring vent, and is allocated as follows:

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

    122(b) The WLA for discharges subject to the Department’s NPDES MS4 Permitting Program is a 38% reduction of nitrate-nitrite based on average concentrations from the 2005-2015 period; and

    150(c) The LA for nonpoint sources is a 38% reduction of nitrate-nitrite based on average loads from the 2005-2015 period.

    170Rulemaking Authority 172403.061, 173403.067 FS. 175Law Implemented 177403.061, 178403.062, 179403.067 FS. 181History–New 5-30-17, Amended 5-9-21.