Chapter 730 - OKLAHOMA'S WATER QUALITY STANDARDS

  1. Subchapter 1 - General Provisions (§ 252:730-1-1 to 252:730-1-6)
  2. Subchapter 3 - Antidegradation Requirements (§ 252:730-3-1 to 252:730-3-2)
  3. Subchapter 5 - Surface Water Quality Standards (Part 1 to 5)
  4. Subchapter 7 - Groundwater Quality Standards (§ 252:730-7-1 to 252:730-7-5)
  5. Appendix A - [Effective until 9/15/2024] Designated Beneficial Uses of Surface Waters, version 36
  6. Appendix A - [Effective 9/15/2024] Designated Beneficial Uses of Surface Waters, version 37
  7. Appendix B - [Effective until 9/15/2024] Areas with Waters of Recreational and/or Ecological Significance, version 27
  8. Appendix B - [Effective 9/15/2024] Areas With Waters of Recreational and/or Ecological Significance, version 28
  9. Appendix C - Reserved, version 25
  10. Appendix D - Classifications for Groundwater in Oklahoma, version 19
  11. Appendix E - [Effective until 9/15/2024] Requirements for Development of Site-Specific Criteria for Certain Parameters, version 19
  12. Appendix E - [Effective 9/15/2024] Requirements for Development of Site Specific Criteria for Certain Parameter, version 20
  13. Appendix F - [Effective until 9/15/2024] Statistical Values of the Historical Data for Mineral Constituents of Water Quality (Beginning October 1976 Ending September 1983, Except as Indicated), version 12
  14. Appendix F - [Effective 9/15/2024] Statistical Values of the Historical Data for Mineral Constituents of Water Quality (Beginning October 1976 Ending September 1983, Except as Indicated), version 13
  15. Appendix G - Numerical Criteria to Protect Beneficial Uses, version 10
  16. Appendix H - [Effective until 9/15/2024] Beneficial Use Designations for Certain Limited Areas of Groundwater, version 9
  17. Appendix H - [Effective 9/15/2024] Beneficial Use Designations for Certain Limited Areas of Groundwater, version 10
  18. Appendix I - Criteria for Groundwater Protection, version 8

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.

No prior version found.