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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 252. Department of Environmental Quality |
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Chapter 628. Indirect Potable Reuse for Surface Water Augmentation |
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Subchapter 11. IPR Receiving Waterbody Monitoring |
SECTION 252:628-11-4. SWS-R requirements
Latest version.
- (a) Assimilative capacity. The permittee shall determine assimilative capacity and propose allowable consumption, if any, as outlined in OAC 785:45-5-25(c)(8)(C) and OAC 785:46-13. Monitoring for assimilative capacity in SWS-R waterbodies shall meet the requirements outlined in OAC 785:46-13. 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 785:45-5-10(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 785:45-5-25(c)(8)(D). The IPR receiving waterbody monitoring program shall include the collection of data necessary to complete the technical evaluation report.