Statutes, codes, and regulations
Oklahoma Administrative Code
Title 252 - DEPARTMENT OF ENVIRONMENTAL QUALITYChapter 606 - OKLAHOMA POLLUTANT DISCHARGE ELIMINATION SYSTEM (OPDES) STANDARDS
Subchapter 6 - Point Source Discharges
Section 252:606-6-75 - Wasteload allocations for implementation of human health and raw water criteria for toxic substances to protect the Public and Private Water Supply beneficial use

Okla. Admin. Code § 252:606-6-75

Download
PDF
Current through Vol. 42, No. 8, January 2, 2025
Section 252:606-6-75 - Wasteload allocations for implementation of human health and raw water criteria for toxic substances to protect the Public and Private Water Supply beneficial use

If either Cd (FFW) or Cd (RAW) exceeds its associated criterion, a water quality-based permit limit is required for that substance. Background levels used in calculating WLAFFW and WLARAW are described in OAC 252:606-6-10 through 6-13 and 6-15. If a pollutant's background level exceeds either CFFW or CRAW, the affected WLA is set equal to that criterion. Equations M-2 and M-3 are used to calculate WLAFFW and WLARAW, respectively. For discharges to a stream located less than five stream miles upstream of a public water supply intake and for discharges to a lake located within one mile of a public water supply intake, WLAFFW is set equal to CFFW for any pollutant detected in the discharge.

Okla. Admin. Code § 252:606-6-75

Adopted by Oklahoma Register, Volume 41, Issue 23, August 15, 2024, eff. 9/15/2024