- (a) The IPR benchmarks established by this Subchapter apply in addition to other rules for wastewater discharges, including OAC 252:730, OAC 252:740, OAC 252:301 and OAC 252:606. For parameters which are subject to both the IPR benchmarks established by this Subchapter and effluent limitations developed in accordance with OAC 252:606, the more stringent effluent limitations and monitoring requirements shall apply.
- (b) IPR Source Water discharges shall maintain existing and designated beneficial uses; shall not cause or contribute to a violation of narrative and numeric criteria; and shall be consistent with anti-degradation policy established in the OWQS.
- (c) IPR Source Water discharges to SWS-R waterbodies shall not consume more than the portion of the assimilative capacity determined and allocated to the discharger in accordance with OAC 252:730, OAC 252:740 and OAC 252:606.
- (d) IPR Source Water discharges to lakes shall be at least as protective as Oklahoma's Discharges to State Lakes policy as described in Oklahoma's Continuing Planning Process (CPP) document.
Added at 35 Ok Reg 1311, eff 9-15-18
Amended at 40 Ok Reg 249, eff 10-25-22 (emergency)
Amended at 40 Ok Reg 2032, eff 9-15-23
Amended at 41 Ok Reg, Number 23, effective 9-15-24