9 verified septic companies across 6 cities in St. Charles County. Compare ratings, services, and request free quotes from local providers.
St. Charles County, Missouri sits along the Missouri River floodplain and extends northwest into gently rolling terrain, a mix of geography that shapes how residential septic systems are designed and maintained across the region. This directory lists 9 verified septic service companies operating across 6 cities in the county, giving homeowners a reliable starting point when searching for pumping, inspection, installation, or repair. The county has seen significant residential growth over the past few decades, with newer subdivisions in cities like St. Charles, Lake St. Louis, and St. Peters sitting alongside older rural properties that have relied on private septic systems for generations. Because portions of the county include areas with varying soil permeability and proximity to waterways, proper system sizing and routine maintenance carry particular importance here. Use this directory to compare local providers and find a company suited to your property's needs.
St Charles, MO
⭐ 4.9 (1771 reviews)
Roto-Rooter is your trusted sewer specialist in Dalton, TN. Contact us today to learn more about our team and the service we provide!
St Peters, MO
⭐ 4.9 (363 reviews)
Huntsville water heater replacement and Huntsville water heater repair from Hunstville Plumbing, Inc. - your expert for water heater service, water heater installation, gas water heaters, tankless water heaters, and more at ALPlumber.com.
Lake St Louis, MO
⭐ 5.0 (2400 reviews)
Contact us today for quotes or repairs on any heating, cooling, or plumbing situation. Free estimates and same day appointments are available.
St Charles, MO
⭐ 5.0 (233 reviews)
Behrle Plumbing is a family-owned plumbing company serving St. Charles and St. Louis County, Missouri, with over 30 years of experience dating back to 1992. The company holds a Master Plumbing License and is a certified Perma-Liner installer, offering a comprehensive range of drain and sewer services including sewer line repair and cleaning, pipe lining, trenchless pipe repair, hydro jetting, camera inspections, leak detection, repiping, and burst pipe emergency repair. Behrle Plumbing also provides commercial plumbing and water main services. The team brings more than six decades of combined professional experience to every job and stands behind their work with a one-year labor and material warranty, along with a 10-year warranty on pipe lining. Homeowners and businesses can take advantage of same-day appointments based on availability and free estimates within 24 hours. As a locally rooted, community-focused business, Behrle Plumbing is a trusted choice for reliable plumbing solutions throughout the greater St. Louis area. They can be reached at (314) 248-0727.
St Charles, MO
⭐ 5.0 (1 reviews)
# SweenCo Sewer Rehabilitation SweenCo is a family-owned and operated septic and sewer service company serving the Greater St. Louis area, including St. Louis, St. Charles, Jefferson, Lincoln, Franklin, and Warren counties. Based in St. Charles, Missouri, the company specializes in septic system installation, repair, and sewer work with a commitment to customer education and environmental protection. The company offers comprehensive septic services including conventional and advanced system installations, with expertise in Drip Irrigation systems suitable for challenging terrain such as steep hills and rocky soil. SweenCo works closely with soil scientists and engineers to ensure optimal system placement and compliance with county codes and state standards. Repair services include lateral line repairs, outlet device installation, and plumbing cleanout additions. As an MSD Sewer Construction Certified company, SweenCo also provides sewer installation and repair services, including point repairs, manhole construction, lateral repairs, and frame and cover replacement. The company maintains a 5.0 Google rating and provides free estimates for all septic and sewer projects.
O'Fallon, MO
⭐ 4.8 (746 reviews)
Learn more about the history of Hansen's Tree Service and how our lawn and tree services can help you. Call us today at (636) 379-1830.
Wentzville, MO
⭐ 4.5 (2836 reviews)
Camping World - Wentzville is a recreation and outdoor equipment retailer located in Wentzville, Missouri. The company maintains a strong reputation with a Google rating of 4.5 stars based on 2,836 customer reviews. As part of the larger Camping World network, the Wentzville location serves the local community and surrounding areas with RV supplies, camping gear, and related outdoor products. The business has established itself as a trusted destination for outdoor enthusiasts seeking quality equipment and services. Its consistent customer ratings reflect the store's commitment to customer satisfaction and reliable service within the recreational vehicle and camping industry.
Foristell, MO
⭐ 4.4 (28 reviews)
M. Turpin Services, LLC provides excavation, utility and hauling services for St. Charles County, Missouri and surrounding counties, operating since 2009. The company serves St. Charles, Lincoln, Warren, Jefferson, Pike, Audrain, Franklin, Montgomery, and St. Louis counties (no utilities in St. Louis). Their services include site preparation, foundation excavation, public utility installation, and septic system installation for both commercial and residential projects. The company utilizes GPS-g
Lake St Louis, MO
⭐ 4.1 (1112 reviews)
Lowe's Home Improvement in Lake St Louis, Missouri is a major home improvement retailer offering a wide range of products and services for residential and commercial projects. With a Google rating of 4.1 stars based on over 1,100 customer reviews, the company provides tools, materials, and supplies for various home maintenance needs. While primarily known as a general home improvement destination, Lowe's carries septic system-related products and supplies that homeowners may need for maintenance and repairs. The Lake St Louis location serves the local community as part of Lowe's extensive national network of stores dedicated to helping customers complete their home projects.
St. Charles County, Missouri contains a notable mix of suburban subdivisions and rural acreage, meaning the types of septic systems in use vary considerably from one property to the next. Older homes on larger lots, particularly in the less-developed northern and western parts of the county, often rely on conventional gravity-fed systems with traditional drain fields. Newer construction in denser areas may use pressure-dosed or pump-assisted systems to accommodate smaller lot sizes or less favorable soil conditions. Missouri's climate, with hot summers and periodic heavy rainfall, can saturate drain fields seasonally and stress systems that are not pumped on a regular schedule. Properties near low-lying areas or with higher water tables may require alternative system designs. Homeowners purchasing older rural properties should treat a professional septic inspection as a priority before closing, as system age and condition can vary widely.
In St. Charles County, Missouri, septic system permits and oversight generally fall under the jurisdiction of the St. Charles County Department of Public Health. State-level guidance is provided by the Missouri Department of Natural Resources, which sets baseline standards for onsite wastewater treatment systems throughout Missouri. Before installing a new system or making significant modifications to an existing one, property owners are typically required to obtain a permit, which usually involves a site evaluation and soil assessment. At the point of sale, many lenders and buyers request a septic inspection, though Missouri does not mandate a statewide point-of-sale inspection law for all transactions. Local real estate contracts frequently include inspection contingencies as a practical measure. Homeowners looking for current rules on setbacks, system sizing, and approved designs should consult the St. Charles County Department of Public Health directly or review Missouri DNR onsite wastewater guidelines. Always verify current requirements with your local health department.
Get free quotes from verified septic companies serving St. Charles County, Missouri.
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