Rule 62-304.406. Aucilla River Basin TMDLs

(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:

(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 39% reduction of nitrate-nitrite based on average concentrations from the 2005-2015 period; and

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

(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:

(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 nitrate-nitrite based on average concentrations from the 2005-2015 period; and

(c) The LA for nonpoint sources is a 38% reduction of nitrate-nitrite based on average loads from the 2005-2015 period. Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS. History–New 5-30-17, Amended 5-9-21.