Contractors & tank cleaners

Licensed installers and pumpers

• Septic System Installers List (PDF, 2 pages, 10 KB)
• Septic System Pumpers List (PDF, 1 page, 6 KB)

Contractor’s handbook for onsite wastewater systems

• Environmental / Sanitary Code (PDF, 12 pages, 226 KB)
• Administrative Procedures for Private Wastewater Systems (PDF, 6 pages, 324 KB)
• Construction Guidelines: Requirements for Septic Tanks (PDF, 7 pages, 666 KB)
• Construction Guidelines: Soil Requirements (PDF, 3 pages, 607 KB)
• Construction Guidelines: Design Criteria for Soil Absorption Systems & Requirements for Wastewater Stabilization Ponds (PDF, 9 pages, 917 KB)
• Appendix of Tables, Forms, and References (PDF, 7 pages, 1012 KB)
• Appendix of Tables, Forms, and References (continued) (PDF, 7 pages, 237 KB)