Septic Tank Pumping & Services in Washtenaw County, MI
5 verified septic companies across 5 cities in Washtenaw County. Compare ratings, services, and request free quotes from local providers.
Washtenaw County, Michigan is home to a mix of urban, suburban, and rural properties, and finding reliable septic service matters whether you own a farmstead outside Dexter or a newer home near Chelsea. This directory lists 5 verified septic companies serving 5 cities and towns across the county. Washtenaw County sits in southeastern Michigan where glacially deposited soils—ranging from sandy loams to heavier clay layers—can significantly affect how septic systems drain and perform over time. The county's varied landscape means that system requirements differ from one parcel to the next, and seasonal freeze-thaw cycles common to Michigan winters add another layer of maintenance consideration. Whether you need routine tank pumping, a pre-sale inspection, or a system repair, the listings here can help you locate a qualified service provider in your area.
Septic Companies Serving Washtenaw County
Gareth's Septic and Sewer
24/7Dexter, MI
⭐ 5.0 (15 reviews)
Jim Kovalak Excavating Inc
24/7Willis, MI
⭐ 4.4 (109 reviews)
Jim Kovalak Excavating Inc is a family-owned and operated septic and excavating company based in Willis, MI, serving both residential and commercial clients for over 50 years. The company offers a comprehensive range of septic services, including tank pumping, new system installation, repairs, advanced treatment units, and operation and maintenance inspections. In addition to septic work, Jim Kovalak provides full-spectrum excavating services, including new house foundations. The team is available year-round with flexible AM and PM scheduling, and offers 24-hour emergency services on weekends and holidays. Free estimates are available on all septic and excavating projects. With decades of experience, state-of-the-art equipment, and a commitment to complete client satisfaction, Jim Kovalak Excavating Inc aims to be a one-stop shop for all septic and excavating needs. The company can be reached by phone at 1-800-566-6626 during regular business hours, Monday through Friday, 8am to 5pm.
LaChance Brothers Excavating, LLC
Northville, MI
⭐ 4.9 (44 reviews)
"They did the job faster than I expected and came in on budget. Great work. Really honest people. Rare in this day and age."
Jack Spack Septic
Ypsilanti, MI
⭐ 4.9
Jack Spack Septic has been a trusted provider of septic services in Southeast Michigan since 1948, proudly serving Washtenaw and surrounding counties. As a full-service septic company, they specialize in a comprehensive range of solutions for both commercial and residential properties. Their expertise includes custom engineered septic field design and installation, septic system replacement, and septic repair. They also offer conventional septic system replacement, septic tank maintenance and repair, percolation tests, sewer connections, and advanced treatment systems. With a focus on tank cleaning and proper maintenance, Jack Spack Septic helps maximize the lifespan of septic systems. Now part of the Bolton Environmental family, they combine over 200 years of experience with Bolton Septic, M M Septic, and B F Septic to better serve all septic needs.
Bollinger Sanitation & Excavating
Chelsea, MI
⭐ 4.5 (36 reviews)
Bollinger Sanitation & Excavating is a family-owned and operated septic and excavating company serving Chelsea, Dexter, Manchester, Pinckney, Grass Lake, and surrounding areas of Washtenaw, Livingston, Jackson, and Lenawee counties. In business since 1951, the company brings over 70 years of experience to a wide range of residential, commercial, and industrial services. Septic offerings include tank cleaning, installation, repair, drain field installation and repair, riser installation, routine maintenance, and city sewer and water hookups. The company also provides complete excavating services such as earth moving, grading, site development, basement excavation, driveway installation and repair, demolition, and aggregate material sales. Winter services include snow plowing, salting, and ice removal for residential, commercial, and industrial properties. Bollinger Sanitation additionally supplies mulch and landscape materials available for pickup or delivery. With a large fleet of equipment and decades of trusted service in the Chelsea area, Bollinger Sanitation & Excavating handles projects of all sizes. They can be reached by phone at 734-433-1831.
Cities in Washtenaw County
About Septic Systems in Washtenaw County
Washtenaw County includes a broad range of housing stock, from older rural homes built decades ago with aging conventional gravity-fed systems to newer suburban subdivisions that may rely on pump-up or pressure-dosed configurations. Communities like Dexter and Chelsea retain a notably rural character where on-site septic systems are the norm rather than the exception, while areas closer to Ann Arbor tend to be sewered. Clay-heavy soils found in parts of the county can limit drainage capacity, sometimes making alternative or mound-style systems necessary when conventional drain fields are not feasible. Michigan's cold winters mean that shallow system components and distribution lines can be vulnerable to freezing, particularly on properties with thin soil cover. Homeowners in the county are generally encouraged to have tanks inspected and pumped on a regular schedule to account for these local conditions.
Permits & Compliance in Washtenaw County
Septic system permits and oversight in Washtenaw County fall primarily under the jurisdiction of the Washtenaw County Environmental Health division, which operates as part of the county's public health department. Michigan state law, administered through the Michigan Department of Environment, Great Lakes, and Energy (EGLE), sets the baseline standards under the Part 117 regulations governing on-site sewage disposal systems, while the county health department enforces and implements those rules locally. Permits are generally required for new system installation, significant repairs, and system alterations. At the point of a property sale, buyers or lenders may request a septic inspection, though Michigan does not mandate a statewide point-of-sale inspection in all circumstances; local practice can vary. Homeowners seeking current permit requirements, approved system designs, or records of existing systems should contact the Washtenaw County Environmental Health office directly. Always verify current requirements with your local health department.
Septic Services in Washtenaw County: Questions
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