4 verified septic companies across 2 cities in Winnebago County. Compare ratings, services, and request free quotes from local providers.
Winnebago County, Wisconsin is home to 4 verified septic service companies listed across 2 cities in our directory. Situated in east-central Wisconsin along the western shore of Lake Winnebago — one of the largest freshwater lakes entirely within the United States — the county includes a mix of urban, suburban, and lakeshore residential properties, many of which rely on private septic systems rather than municipal sewer connections. The proximity to Lake Winnebago and the Fox River system means that properly functioning septic systems are especially important for protecting local water quality. Homeowners in areas outside the City of Oshkosh and Neenah municipal sewer service zones are particularly likely to depend on on-site wastewater systems. Whether you need routine tank pumping, a pre-sale inspection, or a system repair, the companies listed here serve properties throughout Winnebago County.
Oshkosh, WI
⭐ 4.8 (36 reviews)
Based on the limited website content provided, I cannot extract sufficient factual information about Wally Schmid Excavating Inc.'s specific services, years in business, service area beyond Oshkosh, Wisconsin, certifications, or specialties. The website content only includes a company name, location, and tagline ("We Dig U!"), which suggests they provide excavating services but offers no specific operational details. unknown
Oshkosh, WI
⭐ 4.4 (40 reviews)
Sammons Plumbing provides plumbing services in Oshkosh, Wisconsin and surrounding areas. Established in 1910, the company has operated from its location at the corner of Murdock and Wisconsin Avenue since 1974. The business features both a plumbing store dedicated to repairs and a showroom. Services include water heater installation, well pumps, sump pumps, faucet repair, water softeners, pressure tanks, sewage ejector pumps, sewer cleaning, kitchen and bathroom remodeling, garbage disposals, se
Oshkosh, WI
⭐ 4.4 (25 reviews)
Winnebago Liquid Waste has been providing superior septic services to residential and commercial customers throughout the Fox Valley since 1958. Located in Oshkosh, WI, this experienced company offers prompt and professional waste removal, specializing in the pumping of septic systems and cleaning of filters. They pride themselves on utilizing state-of-the-art equipment to deliver effective removal services. Winnebago Liquid Waste has built a strong reputation for great service and results, handling jobs of all sizes. Customers can easily request service through their website or by calling their septic system experts. They are dedicated to fulfilling all septic service needs with exceptional care and professionalism.
Neenah, WI
⭐ 4.1 (48 reviews)
Ogden Plumbing provides residential, commercial, and industrial plumbing services in the Fox Valley area of Wisconsin from their Neenah location. In business since 1983, this family-owned company employs all licensed plumbers and maintains an excellent safety record. Their residential and commercial services include general plumbing repairs, installations, and maintenance of fixtures, pipes, and plumbing systems. They specialize in sewer and drain solutions for clogs and blockages, as well as wa
Winnebago County features a range of housing stock, from older in-town homes in Oshkosh and Neenah to newer suburban developments and rural lakeshore properties. Homes built before the 1980s may have older conventional gravity-fed septic systems, while properties on smaller lots or with challenging soil conditions — including the heavier clay soils found in parts of the region — may require pressure-dosed or mound systems to ensure adequate effluent treatment. Wisconsin's cold winters can affect system performance, particularly for shallow drain fields susceptible to frost. Spring thaw also raises groundwater levels seasonally, which can stress systems in low-lying areas near wetlands or the lake. Homeowners with older systems should be attentive to tank condition and drain field capacity, especially as development has increased the density of on-site systems in some parts of the county.
Septic system permits and oversight in Winnebago County fall primarily under the Winnebago County Health Department, which administers private sewage system regulations in accordance with Wisconsin state code, specifically Chapter SPS 383 administered by the Wisconsin Department of Safety and Professional Services. New installations and significant repairs require a permit and must be designed and installed by a licensed master plumber with a sanitarian credential or a certified septage servicing operator, depending on the scope of work. Point-of-sale inspections are commonly required or strongly recommended when a property with a private sewage system is transferred, and the county may require documentation of system condition. Homeowners seeking permit applications, inspection requirements, or information about approved system types should contact the Winnebago County Health Department directly. Always verify current requirements with your local health department.
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