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Sewage (Septic) Systems

Washtenaw County has approximately 48,000 onsite septic systems.

Homeowner Information:




Septic System
Click here to view our 5-minute
video on septic system maintenance!

Installing a Well & Sewage System in Washtenaw County:

Supplemental Information:

Regulations & Guidelines:

Brochures/Fact Sheets:

For More Information:


Please note that it is the responsibility of the contractor or owner to contact the Miss Dig 
notification system at 811 or 800-482-7171 and comply with all requirements of the
Miss Dig Underground Facility Damage Prevention and Safety Act before starting any excavation work.
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