14 verified septic companies across 8 cities in Marathon County. Compare ratings, services, and request free quotes from local providers.
Marathon County, Wisconsin is home to a diverse mix of urban, suburban, and rural properties, and reliable septic service is essential for the many households and businesses that rely on private wastewater systems. This directory lists 14 verified septic companies serving 8 cities and towns across the county, giving property owners a straightforward way to find local providers. Marathon County sits in the heart of central Wisconsin, where the combination of cold winters, spring thaw cycles, and glacially influenced soils can place added stress on septic systems. The county spans a wide range of land uses, from the developed neighborhoods of Wausau to agricultural and wooded parcels in smaller communities, meaning septic needs vary considerably from one property to the next. Whether you require routine pumping, a system inspection ahead of a real estate transaction, or a more involved repair, the companies listed here serve properties throughout the county.
Mosinee, WI
⭐ 5.0 (14 reviews)
Country Pumpers is a family-owned septic pumping business serving Marathon and Portage Counties in Central Wisconsin since 1998. The company provides residential and commercial septic services including septic and holding tank cleaning, high-pressure cleaning, cast iron descaling, pipe cleaning and unclogging, baffle replacement, riser installation, pump replacement, drain line video, filter cleaning, and porta-potty services. They offer 24/7 emergency assistance with flexible hours, operating M
Wausau, WI
⭐ 5.0 (14 reviews)
Modern Sewer is a locally owned septic service company based in Wausau, Wisconsin, proudly serving the greater Wausau area for over 30 years. Holding Wisconsin Sanitary License No. 01805, the company specializes in residential and commercial septic tank pumping and holding tank pumping, with a fleet of well-maintained, high-volume trucks ready to handle a wide range of wastewater needs. Every service appointment includes a full tank inspection and complimentary filter cleaning, helping customers extend the life of their systems through regular maintenance. Modern Sewer is committed to delivering prompt, courteous, and professional service, and their call center is available 24 hours a day, 7 days a week to accept service requests for added customer convenience. Free estimates are available by calling 715-842-7477. With three decades of hands-on experience and a focus on keeping septic systems functioning efficiently, Modern Sewer is a trusted choice for homeowners and businesses throughout the Wausau region looking for reliable, licensed septic care.
Stratford, WI
⭐ 5.0 (4 reviews)
Zabler Transport LLC is a licensed and certified, locally owned business based in Stratford, WI, offering reliable and affordable septic pumping services. With over 30 years of experience, their skilled team provides quality pumping for septic tanks, pump pits, cesspools, holding tanks, and grease traps. They are committed to customer satisfaction, offering free estimates and same-day service. Zabler Transport LLC also provides 24/7 services to address urgent septic needs. Their extensive experience and dedication to quality make them a trusted choice for maintaining septic systems in the Stratford area.
Aniwa, WI
⭐ 5.0 (1 reviews)
Kautza Septic Service Inc. provides comprehensive septic system services for residential and commercial clients in Aniwa, WI, and surrounding counties including Lincoln, Langlade, Marathon, and Shawano. They specialize in septic and holding tank cleaning and pumping, ensuring systems operate efficiently for years to come. The company also offers septic tank inspections and servicing, and is a licensed inspector, certified by the DNR, and state permitted for sanitary systems. Kautza Septic Service Inc. is a member of WLWC and is known for fast and reliable service, with testimonials highlighting their quick response, even in emergencies. In addition to septic services, they provide commercial sludge hauling and porta potty rentals. Contact Kautza Septic Service Inc. today for a free estimate on their professional septic solutions.
Wausau, WI
⭐ 4.8 (199 reviews)
Wausau, WI
⭐ 5.0 (38 reviews)
Genrich Plumbing & Heating is a family-owned plumbing company serving the Wausau, Wisconsin area for over 50 years. Founded in 1964 by Ed and Pat Genrich, the company is now led by Master Plumber Bob Genrich and specializes in a wide range of residential plumbing services. Their offerings include general plumbing repairs, leak detection, fixture installation, water heater installation and repair, and complete bathroom remodels. The team is known for quality craftsmanship, transparent upfront pricing, and personalized customer care with no hidden fees. Licensed professionals handle everything from minor clogged drains to major plumbing emergencies such as frozen pipes. Genrich Plumbing follows all local codes and regulations to ensure work meets the highest standards. The company is available Monday through Friday from 7am to 7pm for both scheduled appointments and plumbing emergencies. With decades of trusted service and a strong reputation throughout the Wausau community, Genrich Plumbing is a reliable choice for homeowners seeking skilled, honest, and professional plumbing services.
Wausau, WI
⭐ 4.9 (27 reviews)
Green Valley Septic provides septic system maintenance and portable toilet rental services in Wausau, Wisconsin. The company specializes in septic tank cleaning, holding tank pump outs, and grease trap services for residential and commercial customers. They are licensed to perform Private Onsite Wastewater Treatment System (POWTS) inspections that meet county requirements. Their service offerings include portable toilet rentals for construction sites, festivals, weddings, and events, as well as
Wausau, WI
⭐ 4.8 (60 reviews)
Weston, WI
⭐ 4.7 (71 reviews)
U.S. Water, LLC specializes in comprehensive water treatment solutions for homes and businesses in central Wisconsin. They offer a wide range of services including water softeners, water testing, and various filtration systems to address common contaminants like arsenic, iron, lead, manganese, nitrates, PFAS, and VOCs. The company operates a state-certified onsite lab, providing accurate diagnoses for water quality concerns and offering free standard water screenings. U.S. Water also provides plumbing and well pump services, as well as salt and product delivery. Their commitment to water safety and personalized solutions ensures customers receive clean, safe water with exceptional hometown customer service. They emphasize the importance of their certified lab test as a key differentiator in providing precise and reliable water treatment.
Wausau, WI
⭐ 4.6 (43 reviews)
B & D Plumbing Inc. has been serving residential and commercial customers in Wausau, Wisconsin since 1965, bringing over 50 years of trusted experience to every job. The company offers a comprehensive range of services including plumbing, septic, excavating, hydronic heating, pump installation, and water systems. Their certified and licensed plumbers are known for maintaining a professional, clean work environment and are committed to delivering results that meet complete customer satisfaction. B & D Plumbing handles projects of all sizes, from small residential repairs to larger commercial jobs, and provides ongoing training to ensure their team stays current with the latest techniques. Located at 144875 County Rd NN in Wausau, WI, B & D Plumbing Inc. can be reached by phone at 715-848-9339 or by email at [email protected]. Their decades of experience, licensed credentials, and dedication to quality workmanship make them a dependable choice for septic and plumbing services in the Wausau area.
Edgar, WI
⭐ 4.6 (16 reviews)
Marathon Plumbing Service, LLC offers comprehensive plumbing and septic system solutions for homes and businesses in Marathon, Edgar, Wausau, Stratford, Athens, Marshfield, Spencer, Abbotsford, Colby, Wisconsin, and surrounding areas. Their friendly and knowledgeable staff is equipped to handle a wide range of needs, including new septic system installations and repairs for failing current systems. They also provide services for well pumps, tanks, water and sewer lines, toilets, sinks, showers, garbage disposals, water heaters, and water softeners. With a commitment to reasonable prices and superior service, Marathon Plumbing Service, LLC aims to be a reliable partner for all plumbing and septic-related projects. They are available Monday through Friday from 7:00 am to 4:30 pm.
Kronenwetter, WI
⭐ 4.5 (8 reviews)
Elite Plumbing Plus LLC is a dedicated plumbing company serving Weston, WI, and five surrounding cities in Wisconsin. They offer comprehensive plumbing solutions for both residential and commercial clients, addressing a wide range of issues with expertise and commitment. The company provides free estimates for all repair work and backs their services with a 1-year warranty, ensuring customer satisfaction and peace of mind. Elite Plumbing Plus LLC emphasizes proper plumbing diagnosis and repairs, aiming for accurate assessments and effective solutions. They also specialize in hydronic heating systems, highlighting benefits such as lower energy bills, personalized temperature control, and a healthier home environment by decreasing airborne dust and allergens. The company prides itself on not subcontracting, ensuring that all work is handled directly by their skilled team.
Stratford, WI
⭐ 4.0 (4 reviews)
Spencer, WI
Marathon County's housing stock includes a significant number of older rural homes built before modern municipal sewer infrastructure expanded, meaning many properties still rely on conventional gravity-fed septic systems. In more developed areas near Wausau, you may encounter a mix of gravity systems and pump-assisted setups where lot topography or soil conditions require effluent to be moved uphill to the drain field. In low-lying areas or on properties with higher seasonal water tables — common in parts of central Wisconsin after snowmelt — mound systems or other alternative designs are sometimes required to maintain adequate separation from groundwater. Seasonal considerations matter here: frozen ground in winter can complicate emergency service access, and heavy spring rains can saturate drain fields temporarily. Homeowners in Marathon County are generally advised to keep accurate records of their system's installation, pumping history, and any repairs.
In Marathon County, Wisconsin, septic system permits and oversight fall primarily under the Marathon County Health Department, which works in conjunction with Wisconsin's statewide private sewage system regulations administered by the Department of Safety and Professional Services and the Department of Natural Resources. Wisconsin state law generally requires a sanitary permit before installing, replacing, or significantly altering a private onsite wastewater treatment system. Many real estate transactions in the county involve a point-of-sale inspection to verify that the septic system is in serviceable condition, though specific requirements can vary depending on the municipality and the terms of the sale. Homeowners looking for current rules on setback distances, system sizing, and inspection protocols should consult the Marathon County Health Department directly or review Wisconsin's administrative codes governing private sewage systems. Always verify current requirements with your local health department.
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