How much does a septic permit cost in Washtenaw County, MI?

Septic permit fees in Washtenaw County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Washtenaw County Health Department at (734) 222-3800 for current fee schedules.

How long does it take to get a septic permit in Washtenaw County?

The septic permit process in Washtenaw County generally takes 2–6 weeks, depending on soil evaluation scheduling and application completeness. Soil evaluations must be performed by a licensed soil scientist before applying.

Do I need a soil evaluation for a septic permit in Washtenaw County?

Yes. Washtenaw County requires a professional soil evaluation before issuing any septic permit. A licensed soil scientist evaluates soil type, depth, drainage, and water table levels to determine the appropriate septic system design.

Who handles septic inspections in Washtenaw County, MI?

Washtenaw County Health Department oversees all septic system inspections in Washtenaw County. Contact them at (734) 222-3800 to schedule an inspection or ask about requirements.

Can I install my own septic system in Washtenaw County?

Washtenaw County requires septic system installation by licensed contractors. All installations must be permitted through Washtenaw County Health Department and pass inspection before the system can be used.

Septic & well regulations in Washtenaw County, MI

Washtenaw County is located in the Southeast region of Michigan. Washtenaw County has varied soils reflecting its mixed landscape: sandy loams on outwash plains in rural townships, and heavier loam and clay loam soils in the Huron River valley and Ann Arbor metropolitan area. The Huron River and its many inland lakes create conditions with elevated seasonal water tables near shorelines.. Understanding local permit requirements and soil conditions is essential before installing, repairing, or inspecting a septic system.

Permits & Requirements

New Installation

Permit required from Washtenaw County Health Department before any new on-site system installation. A licensed contractor must submit site evaluation and design documents for approval.

Repair

Repair permit required from Washtenaw County Health Department. Written approval must be obtained before any repair work begins.

Inspection

Point-of-sale inspections are available through the health department and are strongly recommended at property transfer. Formal inspection reports are issued for real estate transactions.

Washtenaw County Environmental Health

Washtenaw County Health Department

(734) 222-3800

Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.

Soil & Terrain Characteristics

Washtenaw County has varied soils reflecting its mixed landscape: sandy loams on outwash plains in rural townships, and heavier loam and clay loam soils in the Huron River valley and Ann Arbor metropolitan area. The Huron River and its many inland lakes create conditions with elevated seasonal water tables near shorelines.

County-Specific Considerations

Washtenaw County is home to the University of Michigan and Ann Arbor, making it one of Michigan's most educated and environmentally aware communities. PFAS contamination has been confirmed at several sites in the county; private well owners near the Gelman Sciences dioxane plume or other identified source areas should contact the health department for guidance.

Find Services in Washtenaw County

Septic Pumping

Washtenaw County

Septic Inspection

Washtenaw County

Septic Installation

Washtenaw County

Well Water Testing

Washtenaw County

Well Pump Repair

Washtenaw County

Well Drilling

Washtenaw County

Emergency Services

Washtenaw County

Water Treatment

Washtenaw County

Drain Field Repair

Washtenaw County

Septic to Sewer Conversion

Washtenaw County

Aerobic Septic System

Washtenaw County

Well Water Filtration

Washtenaw County

PFAS Water Testing

Washtenaw County

Related Resources

Washtenaw County Overview Inspection Checklist How to Choose a Septic Company

Septic Permits & Regulations in Washtenaw County — FAQ

How much does a septic permit cost in Washtenaw County, MI?: Septic permit fees in Washtenaw County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact Washtenaw County Health Department at (734) 222-3800 for current fee schedules.
How long does it take to get a septic permit in Washtenaw County?: The septic permit process in Washtenaw County generally takes 2–6 weeks, depending on soil evaluation scheduling and application completeness. Soil evaluations must be performed by a licensed soil scientist before applying.
Do I need a soil evaluation for a septic permit in Washtenaw County?: Yes. Washtenaw County requires a professional soil evaluation before issuing any septic permit. A licensed soil scientist evaluates soil type, depth, drainage, and water table levels to determine the appropriate septic system design.
Who handles septic inspections in Washtenaw County, MI?: Washtenaw County Health Department oversees all septic system inspections in Washtenaw County. Contact them at (734) 222-3800 to schedule an inspection or ask about requirements.
Can I install my own septic system in Washtenaw County?: Washtenaw County requires septic system installation by licensed contractors. All installations must be permitted through Washtenaw County Health Department and pass inspection before the system can be used.