Oklahoma Administrative Code
4,952 sections across 543 Oklahoma regulatory chapters.
OAC 252:640-OAC 252:640-app-B B - On-Site Surface Application of Treated Wastewater [Revoked], version 20
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Notes Okla. Admin. Code tit. 252, ch. 640, app B
OAC 252:640Open chapter PDF ↗OAC 252:640-OAC 252:640-app-C C - Chamber Systems [Revoked], version 18
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Notes Okla. Admin. Code tit. 252, ch. 640, app C
OAC 252:640Open chapter PDF ↗OAC 252:640-OAC 252:640-app-D D - Quantities of Sewage Flow [Revoked], version 14
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Notes Okla. Admin. Code tit. 252, ch. 640, app D
OAC 252:640Open chapter PDF ↗OAC 252:640-OAC 252:640-app-E E - Location of On-Site Sewage Disposal Systems [Revoked], version 14
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Notes Okla. Admin. Code tit. 252, ch. 640, app E
OAC 252:640Open chapter PDF ↗OAC 252:641-OAC 252:641-app-A A - [Effective until 9/15/2024] System Options with Minimum Vertical Separation Distances and Minimum Lot Size Requirements, version 29
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Figure 1 Figure 2 Notes Okla. Admin. Code tit. 252, ch. 641, app A Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 45, eff 8-17-01 (emergency); Revoked and reenacted at 19 Ok Reg 1027, eff 6-1-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6-11-04; Revo…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-B B - Soil Groups, version 21
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 641, app B Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 45, eff 8-17-01 (emergency); Revoked and reenacted at 19 Ok Reg 1027, eff 6-1-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6-11-04; Revoked and r…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-C C - [Effective until 9/15/2024] Pipe Specifications for On-site Sewage Treatment Systems, version 19
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Click to view image Notes Okla. Admin. Code tit. 252, ch. 641, app C Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6-11-04; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08; Revoked and…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-D D - Sampling Frequency & Testing Requirements for On-Site Surface Application of Treated Sewage [Revoked], version 15
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Notes Okla. Admin. Code tit. 252, ch. 641, app D
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-E E - [Effective until 9/15/2024] Horizontal Separation Distance Requirements for On-site Sewage Treatment Systems, version 15
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Click to view image Click to view image Notes Okla. Admin. Code tit. 252, ch. 641, app E Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 18 Ok Reg 1616, eff 6-1-01; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-F F - Estimated Average Daily Flow for Small Public On-site Sewage Treatment Systems, version 10
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Click to view image Click to view image Notes Okla. Admin. Code tit. 252, ch. 641, app F Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 18 Ok Reg 1616, eff 6-1-01; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-G G - Minimum Trench Length for Subsurface Absorption Systems [Revoked], version 8
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Notes Okla. Admin. Code tit. 252, ch. 641, app G
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-H H - [Effective until 9/15/2024] Size Charts for On-Site Sewage Treatment Systems, version 6
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OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-I I - [Effective until 9/15/2024] Example of the Requirements for a Septic Tank, version 5
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 641, app I Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-J J - Example of the Requirements for a Pump Tank, version 4
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 641, app J Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-K K - [Effective until 9/15/2024] Example Layouts of Conventional Subsurface Absorption Systems, Low Pressure Dosing Systems and Et/A Systems, version 3
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Figure 1 Figure 2 Notes Okla. Admin. Code tit. 252, ch. 641, app K Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 18 Ok Reg 1616, eff 6-1-01; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-L L - Examples of Retention and Distribution Structures, version 3
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 641, app L Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-M M - Examples Of Trench Installation, version 3
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Click to view image Notes Okla. Admin. Code tit. 252, ch. 641, app M Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08 Adopted by Oklahoma Register, Volume 37, Issue 24, September 1, 20…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-N N - Examples of Chambers Being Used for Storage and Dispersal, version 3
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 641, app N Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 1704, eff 6-13-02; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08 Revoked by Oklahoma Register, Volume 38, Issue 24, September 1, 2021, eff. 9/…
OAC 252:641Open chapter PDF ↗OAC 252:641-OAC 252:641-app-O O - Examples of Lagoon Installation, version 3
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Figure 1 Figure 2 Notes Okla. Admin. Code tit. 252, ch. 641, app O Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08
OAC 252:641Open chapter PDF ↗OAC 252:647-OAC 252:647-app-A A - General Land Application Permit Public Water Supply Treatment (PWST) Facilities [Revoked], version 31
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Notes Okla. Admin. Code tit. 252, ch. 647, app A
OAC 252:647Open chapter PDF ↗OAC 252:647-OAC 252:647-app-B B - General Land Application Permit Dairy Waste Management (DWM) Facilities [Revoked], version 22
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Notes Okla. Admin. Code tit. 252, ch. 647, app B
OAC 252:647Open chapter PDF ↗OAC 252:655-OAC 252:655-app-A A - Use and Design Aids [Revoked], version 32
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Notes Okla. Admin. Code tit. 252, ch. 655, app A
OAC 252:655Open chapter PDF ↗OAC 252:655-OAC 252:655-app-B B - General Plan Sheet Format [Revoked], version 23
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Notes Okla. Admin. Code tit. 252, ch. 655, app B
OAC 252:655Open chapter PDF ↗OAC 252:655-OAC 252:655-app-C C - Design of Sewers [Revoked], version 21
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Notes Okla. Admin. Code tit. 252, ch. 655, app C
OAC 252:655Open chapter PDF ↗OAC 252:655-OAC 252:655-app-D D - Quantities of Sewage Flow [Revoked], version 16
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Notes Okla. Admin. Code tit. 252, ch. 655, app D
OAC 252:655Open chapter PDF ↗OAC 252:656-OAC 252:656-app-A A - Design Tables, version 33
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OAC 252:656-13-2(c) Aerated Grit Chambers: Grit Chamber Measurement Unitsa Item Unit Range Detention time at peak flowrate Minutes 2-5 Dimension - Depth Feet 7-16 Dimension - Length Feet 25-65 Dimension - Width Feet 8-23 Width to Depth Ratio Ratio From 1:1 to 5:1 Length to Width …
OAC 252:656Open chapter PDF ↗OAC 252:656-OAC 252:656-app-B B - Secondary and/or Final Clarifier Minimum Design Criteria, version 24
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 656, app B Added at 17 Ok Reg 1140, eff 6-1-00; Revoked and reenacted at 18 Ok Reg 2019, eff 6-11-01; Revoked and reenacted at 23 Ok Reg 937, eff 6-15-06; Revoked and reenacted at 28 Ok Reg 1282, eff 7-1-11
OAC 252:656Open chapter PDF ↗OAC 252:656-OAC 252:656-app-C C - Cascade Aeration, version 22
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 656, app C Added at 17 Ok Reg 1140, eff 6-1-00; Revoked and reenacted at 28 Ok Reg 1282, eff 7-1-11
OAC 252:656Open chapter PDF ↗OAC 252:656-OAC 252:656-app-D D - Slow-Rate Land Application, version 17
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Figure 1 Figure 2 Figure 3 Notes Okla. Admin. Code tit. 252, ch. 656, app D Added at 17 Ok Reg 1140, eff 6-1-00
OAC 252:656Open chapter PDF ↗OAC 252:656-OAC 252:656-app-E E - Table of Rainfall and Evaporation Data by County, version 17
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 656, app E Added at 28 Ok Reg 1282, eff 7-1-11
OAC 252:656Open chapter PDF ↗OAC 252:690-OAC 252:690-app-A A - [Revoked], version 34
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Notes Okla. Admin. Code tit. 252, ch. 690, app A Added at 19 Ok Reg 1721, eff 6-13-02; Revoked and reenacted at 26 Ok Reg 1962, eff 7-1-09; Revoked and reenacted at 28 Ok Reg 1316, eff 7-1-11 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (eme…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-B B - [Revoked effective 9/15/2024] Priority and Nonpriority Pollutants With Numerical Criteria Requiring Reasonable Potential Screening, version 25
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Click to view image Click to view image Click to view image Click to view image Click to view image Click to view image Click to view image Click to view image Notes Okla. Admin. Code tit. 252, ch. 690, app B Added at 19 Ok Reg 1721, eff 6-13-02; Revoked and reenacted at 22 Ok Re…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-C C - [Revoked effective 9/15/2024] Methodology and Equations for Characterizing Effluent and Background Concentrations in Determination of Reasonable Potential to Exceed Numerical Criteria, version 23
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Figure 1 Figure 2 Figure 3 Figure 4 Notes Okla. Admin. Code tit. 252, ch. 690, app C Added at 19 Ok Reg 1721, eff 6-13-02; Revoked and reenacted at 30 Ok Reg 1097, eff 7-1-13 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Revoked b…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-D D - [Revoked effective 9/15/2024] Whole Effluent Toxicity (WET) Testing Critical Dilutions and Dilution Series, version 18
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 690, app D Added at 19 Ok Reg 1721, eff 6-13-02 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Revoked by Oklahoma Register, Volume 41, Issue 23, August 15, 2024, eff. 9/15/2024
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-E E - [Revoked effective 9/15/2024] Equations for Implentation of Temperature Criteria to Protect the Fish and Wildlife Propagation Beneficial Use, version 18
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Figure 1 Figure 2 Figure 3 Notes Okla. Admin. Code tit. 252, ch. 690, app E Added at 19 Ok Reg 1721, eff 6-13-02 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, e…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-F F - [Revoked effective 9/15/2024] Equations for Implementation of Numerical Criteria for Toxic Substances to Protect the Fish and Wildlife Propagation Beneficial Use, version 11
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Figure 1 Notes Okla. Admin. Code tit. 252, ch. 690, app F Added at 19 Ok Reg 1721, eff 6-13-02 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Revoked by Oklahoma Register, Volume 41, Issue 23, August 15, 2024, eff. 9/15/2024
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-G G - [Revoked effective 9/15/2024] Equations for Implementation of Numerical Human and Raw Water Criteria to Protect the Fish Consumption and Public and Private Water Supply Beneficial Uses, version 9
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Figure 1 Figure 2 Notes Okla. Admin. Code tit. 252, ch. 690, app G Added at 19 Ok Reg 1721, eff 6-13-02 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-H H - [Revoked effective 9/15/2024] Equations for Implentation of Numerical Criteria to Protect the Agriculture Beneficial Use, version 8
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Figure 1 Figure 2 Figure 3 Notes Okla. Admin. Code tit. 252, ch. 690, app H Added at 19 Ok Reg 1721, eff 6-13-02 Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, e…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-I I - [Revoked effective 9/15/2024] Performance-Based Effluent Monitoring Frequency Reductions and Increases, version 7
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Figure 1 Figure 2 Notes Okla. Admin. Code tit. 252, ch. 690, app I Added at 19 Ok Reg 1721, eff 6-13-02; Revoked and reenacted at 24 Ok Reg 1542, eff 6-15-07; Revoked and reenacted at 28 Ok Reg 1316, eff 7-1-11; Revoked and reenacted at 30 Ok Reg 1097, eff 7-1-13 Adopted by Oklah…
OAC 252:690Open chapter PDF ↗OAC 252:690-OAC 252:690-app-J J - [Revoked effective 9/15/2024] Background Monitoring, version 5
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Click To View Image Click To View Image Notes Okla. Admin. Code tit. 252, ch. 690, app J Added at 19 Ok Reg 1721, eff 6-13-02; Revoked and reenacted at 30 Ok Reg 1097, eff 7-1-13 Adopted by Oklahoma Register, Volume 31, Issue 24, September 2, 2014, eff. 9/12/2014 Revoked by Oklah…
OAC 252:690Open chapter PDF ↗OAC 252:710-OAC 252:710-app-A A - Classification of Community and Non-Transient, Non-Community Water Systems, Wastewater Systems and Laboratories, version 35
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Click To View Image Notes Okla. Admin. Code tit. 252, ch. 710, app A Added at 17 Ok Reg 2024, eff 6-12-00; Revoked and reenacted at 22 Ok Reg 1491, eff 6-15-05; Revoked and reenacted at 23 Ok Reg 1773, eff 6-15-06; Revoked and reenacted at 24 Ok Reg 1556, eff 6-15-07; Revoked and…
OAC 252:710Open chapter PDF ↗OAC 252:710-OAC 252:710-app-B B - Certificate Requirements (252:710-3-35), version 26
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Click to view image Click to view image Notes Okla. Admin. Code tit. 252, ch. 710, app B Added at 17 Ok Reg 2024, eff 6-12-00; Revoked and reenacted at 21 Ok Reg 1645, eff 6-11-04; Revoked and reenacted at 22 Ok Reg 1491, eff 6-15-05 Adopted by Oklahoma Register, Volume 37, Issue…
OAC 252:710Open chapter PDF ↗OAC 252:710-OAC 252:710-app-C C - Number Of Professional Development Hours (pdhs) Needed Per Certificate Level For Operators and Laboratory Operators, version 24
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Click to view image Notes Okla. Admin. Code tit. 252, ch. 710, app C Adopted by Oklahoma Register, Volume 37, Issue 24, September 1, 2020, eff. 9/15/2020
OAC 252:710Open chapter PDF ↗OAC 252:730-OAC 252:730-app-A A - [Effective until 9/15/2024] Designated Beneficial Uses of Surface Waters, version 36
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Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29…
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-B B - [Effective until 9/15/2024] Areas with Waters of Recreational and/or Ecological Significance, version 27
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Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Notes Okla. Admin. Code tit. 252, ch. 730, app B Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2…
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-C C - Reserved, version 25
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Notes Okla. Admin. Code tit. 252, ch. 730, app C Reserved by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Reserved by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2023
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-D D - Classifications for Groundwater in Oklahoma, version 19
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Figure 1 Figure 2 Figure 3 Notes Okla. Admin. Code tit. 252, ch. 730, app D Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2023
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-E E - [Effective until 9/15/2024] Requirements for Development of Site-Specific Criteria for Certain Parameters, version 19
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Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Notes Okla. Admin. Code tit. 252, ch. 730, app E Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emerg…
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-F 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
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Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Notes Okla. Admin. Code tit. 252, ch. 730, app F Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, September 1,…
OAC 252:730Open chapter PDF ↗OAC 252:730-OAC 252:730-app-G G - Numerical Criteria to Protect Beneficial Uses, version 10
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Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Notes Okla. Admin. Code tit. 252, ch. 730, app G Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency) Adopted by Oklahoma Register, Volume 40, Issue 24, Sep…
OAC 252:730Open chapter PDF ↗