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Implementation of Antidegradation Policy | Midpage
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Oklahoma Administrative Code
Title 252
Chapter 740
Subchapter 13
Implementation of Antidegradation Policy
Department of Environmental Quality
252:740-13-1
Applicability and scope
252:740-13-2
Definitions
252:740-13-3
Tier 1 protection; attainment or maintenance of an existing or designated beneficial use
252:740-13-4
Tier 2 protection; maintenance and protection of sensitive water supply-reuse and other tier 2 waterbodies
252:740-13-5
Tier 2.5 protection; maintenance and protection of high quality waters, sensitive water supplies, and other tier 2.5 waterbodies
252:740-13-6
Tier 3 protection; prohibition against degradation of water quality in outstanding resource waters
252:740-13-7
Protection for Appendix B areas
252:740-13-8
Antidegradation review in surface waters