- (a) Assimilative capacity. The permittee shall determine assimilative capacity and propose allowable consumption, if any, as outlined in OAC 252:730-5-25(c)(8)(C) and OAC 252:740-13. Monitoring for assimilative capacity in SWS-R waterbodies shall meet the requirements outlined in OAC 252:740-13. The IPR receiving waterbody monitoring program shall include monitoring the assimilative capacity.
- (b) Chlorophyll-a. The long-term average concentration of chlorophyll-a shall not exceed 0.010 milligrams per liter (mg/L), as outlined in OAC 252:730-5-10(7). The IPR receiving waterbody monitoring program shall include monitoring chlorophyll-a levels, with greater frequency during critical periods.
- (c) Technical evaluation report. The permittee shall technically evaluate the IPR receiving waterbody at least once every five years to determine the attainment or nonattainment of beneficial uses, as outlined in OAC 252:730-5-25(c)(8)(D). The IPR receiving waterbody monitoring program shall include the collection of data necessary to complete the technical evaluation report.
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