Environmental Health
Sewage (Septic) Systems
Homeowner Information:
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Installing a Well & Sewage System in Washtenaw County:
Supplemental Information:
Regulations & Guidelines:
- Washtenaw County Sewage Regulation
- General Construction Guidelines for Onsite Sewage Systems
- Engineering Guidelines for Onsite Sewage Systems
- Guidelines for Approval of Pretreatment Devices for Failed Wastewater Systems
- Guidelines for Installation of Pretreatment Devices for Failed Wastewater Systems
- Guidelines for Sand Filter Systems & Final Absorption Trenches
- Privately Owned Community Sewage Systems Regulation
- Procedures and Guidelines for Privately Owned Community Sewage Systems
- Design Procedures and Engineering Standards for Pressure Distribution Networks
Brochures/Fact Sheets:
- A Homeowner's Guide to Septic Systems - EPA Booklet
For More Information:
- Your Area Sanitarian (based on your Township)
- Washtenaw County Environmental Health Division - (734) 222-3800
- Small Flows Clearinghouse
- Principles and Design of Onsite Sewage Disposal - Includes diagrams and animations!
