Okla. Admin. Code § 252:606-6-89

Current through Vol. 42, No. 8, January 2, 2025

Section 252:606-6-89 - Effluent monitoring frequency when permit limitations are required

(a) When monitoring is required in a permit, the following are the minimum monitoring frequencies for parameters during the initial permit cycle:

(1) once a week for temperature limits.

(2) twice a month for aquatic toxicity criterion-based limits, human health and raw water criterion-based limits, and agriculture criterion-based limits.

(3) for bacterial limitations:

(A) twice a week between May 1 through September 30, during the recreational period,

(B) once a week, outside of the recreational period, if the receiving stream is impaired for bacteria, and

(C) once a week for total coliform limits, unless bacterial limitations for PBCR are also established in the permit, in which case the minimum total coliform monitoring frequency will be once a week for the period October 1 through April 30.

(b) DEQ may increase the monitoring frequencies listed in (a)(1) and (2) of this Section for a period not to exceed one year during the initial permit cycle for the purpose of establishing the pattern and extent of variation for a given pollutant.

Okla. Admin. Code § 252:606-6-89

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