Oklahoma Administrative Code
Title 252 - Department of Environmental Quality
Chapter 641 - Individual and Small Public On-Site Sewage Treatment Systems
- Subchapter 1 - General Provisions
- Subchapter 3 - Soil Tests
- Subchapter 5 - Building Sewer and Collection Systems
- Subchapter 7 - Septic Tanks
- Subchapter 9 - Pump Tanks
- Subchapter 10 - Aerobic Treatment Systems
- Subchapter 11 - Subsurface Systems [Revoked]
- Subchapter 12 - Dispersal Fields
- Subchapter 13 - Aerobic Systems [Revoked]
- Subchapter 15 - Lagoons
- Subchapter 17 - Alternative Systems [Revoked]
- Subchapter 19 - Reserved
- Subchapter 21 - Certification for On-Site Sewage Treatment System Installers
- Subchapter 22 - Certification for Soil Profilers
- Subchapter 23 - Fees
- Appendix A - System Options with Minimum Vertical Separation Distances and Minimum Lot Size Requirements
- Appendix B - Soil Groups
- Appendix C - Pipe Specifications for On-site Sewage Treatment Systems
- Appendix D - Sampling Frequency & Testing Requirements for On-Site Surface Application of Treated Sewage [Revoked]
- Appendix E - Horizontal Separation Distance Requirements for On-site Sewage Treatment Systems
- Appendix F - Estimated Average Daily Flow for Small Public On-site Sewage Treatment Systems
- Appendix G - Minimum Trench Length for Subsurface Absorption Systems [Revoked]
- Appendix H - Size Charts for On-Site Sewage Treatment Systems
- Appendix I - Example of the Requirements for a Septic Tank
- Appendix J - Example of the Requirements for a Pump Tank
- Appendix K - Example Layouts of Conventional Subsurface Absorption Systems, Low Pressure Dosing Systems and Et/A Systems
- Appendix L - Examples of Retention and Distribution Structures
- Appendix M - Examples Of Trench Installation
- Appendix N - Examples of Chambers Being Used for Storage and Dispersal
- Appendix O - Examples of Lagoon Installation
Current through Vol. 41, No. 13, March 15, 2024
Codified 6-11-99
Authority: 27A O.S., §§ 1-3-101, 2-2-101, 2-2-201, 2-6-402, and 2-6-403; 59 O.S., § 1158
Disclaimer: These regulations may not be the most recent version. Oklahoma may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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