Okla. Admin. Code § 252:730-5-4

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

Section 252:730-5-4 - Applicability of narrative and numerical criteria

(a) For purposes of permitting discharges for attainment of numerical criteria or establishing site specific criteria, streamflows of the greater of 1.0 cfs or 7Q2 shall be used to determine appropriate permit conditions unless otherwise provided in OAC 252:730 or OAC 252:740.

(b) When numerical criteria do not apply, water column conditions including dissolved oxygen concentrations, organoleptic compounds, nutrients, and oil and grease shall be maintained to prevent nuisance conditions caused by man's activities.

(c) Narrative criteria listed in this Chapter shall be maintained at all times and apply to all surface waters of the State.

(d) If more than one narrative or numerical criteria is assigned to a stream, the most stringent shall be maintained.

Okla. Admin. Code § 252:730-5-4

Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency)

Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2023

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