Rule 62-600.420. Minimum Treatment Standards - Technology Based Effluent Limitations (TBELs)

Except as specifically required by other Department rules or Florida Statutes, all domestic wastewater facilities shall provide, at a minimum, secondary treatment of wastewater prior to reuse or disposal. Secondary treatment requirements are specified below:

(1) Surface water disposal (excluding discharges to open ocean outfalls, but including discharges to Class III coastal waters)

(a) CBOD5

1. The annual average shall not exceed 20.0 mg/L,

2. The monthly average shall not exceed 25.0 mg/L,

3. The weekly average shall not exceed 40.0 mg/L,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L; and,

5. The monthly average percent removal shall not be less than 85%.

(b) Total Suspended Solids

1. The annual average shall not exceed 20.0 mg/L,

2. The monthly average shall not exceed 30.0 mg/L,

3. The weekly average shall not exceed 45.0 mg/L,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L; and,

5. The monthly average percent removal shall not be less than 85%.

(2) Surface water disposal via open ocean outfalls

(a) CBOD5

1. The annual average shall not exceed 25.0 mg/L,

2. The monthly average shall not exceed 25.0 mg/L,

3. The weekly average shall not exceed 40.0 mg/L,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L; and,

5. The monthly average percent removal shall not be less than 85%.

(b) Total Suspended Solids

1. The annual average shall not exceed 30.0 mg/L,

2. The monthly average shall not exceed 30.0 mg/L,

3. The weekly average shall not exceed 45.0 mg/L,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L; and,

5. The monthly average percent removal shall not be less than 85%.

(3) Reuse, land application, or groundwater discharge (including underground injection, but excluding potable reuse projects).

(a) CBOD5

1. The annual average shall not exceed 20.0 mg/L,

2. The monthly average shall not exceed 30.0 mg/L,

3. The weekly average shall not exceed 45.0 mg/L; and,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L.

(b) Total Suspended Solids

1. The annual average shall not exceed 20.0 mg/L,

2. The monthly average shall not exceed 30.0 mg/L,

3. The weekly average shall not exceed 45.0 mg/L; and,

4. The maximum-permissible concentration in any single sample shall not exceed 60.0 mg/L.

(4) Disinfection and pH control shall be provided in accordance with rules 62-600.440 and 62-600.445, F.A.C. Rulemaking Authority 403.051, 403.061, 403.086, 403.087, 403.088 FS. Law Implemented 403.021, 403.051, 403.061, 403.062, 403.085, 403.086, 403.087, 403.088 FS. History–New 11-27-89, Amended 1-30-91, 6-8-93, Formerly 17-600.420, Amended 2-8-16, 9-27-21.