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Water: State, Tribal & Territorial Standards

Repository of Documents: Oklahoma

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Oklahoma's Water Quality Standards (Chapter 45) (PDF) (133 pp, 1.9MB)
(Effective November 7, 2013) State regulation establishing water quality standards for surface waters of the State. Please note that not all parts of this document are effective for Clean Water Action purposes. See cover page for more detail.
Implementation of Oklahoma's Water Quality Standards (Chapter 46) (PDF) (49 pp, 414K)
(State Effective Date of July 1, 2013) State regulation providing water quality standards implementation procedures.

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