Sewage (Septic) Systems

Homeowner Information:

 Installing a Well & Sewage System in Washtenaw County:

• List of Certified Sewage System Installation & Repair Contractors
• Certified Sewage Contractor Training Highlights
• Process for Becoming a Certified Sewage System Installation and Repair Contractor
• Application for Certification as a Sewage System Installation and Repair Contractor 
• Soil Evaluation
• Obtaining a Sewage and/or Well Permit
• Sewage System Operating Permits
• eConnect - Check the status of your permits online. You may not apply for well & septic permits online - print a paper application from the Applications, Forms & Fees page and submit to our office.

Supplemental Information: 

• Well & Septic Records - Look up a history of permits issued and inspections performed for properties in Washtenaw County!
• Creating Plot Plans
• Property Surveys
• Minimum Isolation Distances for Well & Sewage Systems
• Sewage System Sizing Requirements 
• Applications, Forms & Fees
• "Time of Sale" Program
• Septic Tank Only Installation Affidavit
• Septic Tank Pumper Report  (.pdf version)  (.doc version)

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:

• Sanitarian Township Assignments
• Maintaining Your Septic System Brochure 
• A Homeowner's Guide to Septic Systems - EPA Booklet
• Septic Tank Additives

For More Information:

• Your Area Sanitarian (based on your Township)
• Washtenaw County Environmental Health Division - (734) 222-3800
• Small Flows Clearinghouse
• Environmental Protection Agency
• Principles and Design of Onsite Sewage Disposal - Includes diagrams and animations!