Sewage (Septic) Systems

Homeowner Information:

Installing a Well & Sewage System in Washtenaw County:

• Soil Evaluation
• Obtaining a Sewage and/or Well Permit

Supplementary Information: 

• Creating Plot Plans
• Property Surveys
• Minimum Isolation Distances for Well & Sewage Systems
• Sewage System Sizing Requirements
• General Construction Requirements for Onsite Residential Sewage Systems
• Applications & Fees
• "Time of Sale" Program 

Regulations & Guidelines:

• Washtenaw County Sewage Regulation
• 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:

• Sanitarian Township Assignments
• Maintaining Your Septic System 
• A Homeowner's Guide to Septic Systems

For More Information:

• Your Area Sanitarian (based on your Township)
• Department of Planning and Environment: (734) 222-3800
• Small Flows Clearinghouse
• Environmental Protection Agency
• Principles and Design of Onsite Sewage Disposal - Includes diagrams and animations!