Chapter 641 - Individual and Small Public On-Site Sewage Treatment Systems
- Subchapter 1 - General Provisions (§§ 252:641-1-1 — 252:641-1-5)
- Subchapter 3 - Soil Tests (§§ 252:641-3-1 — 252:641-3-4)
- Subchapter 5 - Building Sewer and Collection Systems (§§ 252:641-5-1 — 252:641-5-2)
- Subchapter 7 - Septic Tanks (§§ 252:641-7-1 — 252:641-7-4)
- Subchapter 9 - Pump Tanks (§§ 252:641-9-1 — 252:641-9-4)
- Subchapter 10 - Aerobic Treatment Systems (§§ 252:641-10-1 — 252:641-10-3)
- Subchapter 11 - Subsurface Systems [Revoked] (§§ 252:641-11-1 — 252:641-11-4)
- Subchapter 12 - Dispersal Fields (§§ 252:641-12-1 — 252:641-12-7)
- Subchapter 13 - Aerobic Systems [Revoked] (§§ 252:641-13-1 — 252:641-13-4)
- Subchapter 15 - Lagoons (§§ 252:641-15-1 — 252:641-15-6)
- Subchapter 17 - Alternative Systems [Revoked] (§§ 252:641-17-1 — 252:641-17-2)
- Subchapter 21 - Certification for On-Site Sewage Treatment System Installers (§§ 252:641-21-1 — 252:641-21-14)
- Subchapter 22 - Certification for Soil Profilers (§§ 252:641-22-1 — 252:641-22-6)
- Subchapter 23 - Fees (§§ 252:641-23-1 — 252:641-23-5)
- 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