10 verified septic companies across 6 cities in St. Clair County. Compare ratings, services, and request free quotes from local providers.
St. Clair County, Illinois is home to a mix of older suburban neighborhoods, newer developments, and rural stretches that together create a varied demand for residential and commercial septic services. This directory lists 10 verified septic companies serving 6 cities and towns across the county, giving property owners a straightforward way to find local providers for pumping, installation, inspection, and repair. Situated in the Metro East region just across the Mississippi River from St. Louis, St. Clair County includes both densely developed areas connected to municipal sewer systems and lower-density communities where on-site septic systems remain the primary means of wastewater treatment. The county's relatively flat topography and clay-influenced soils in many areas can affect how septic systems are designed and maintained, making it worth working with a provider who has direct experience in this part of southwestern Illinois.
Caseyville, IL
⭐ 5.0 (18 reviews)
R and M Sewer, Septic and Pipe Cleaning provides sewer and drain solutions in Caseyville, Illinois. The company offers plumbing services specializing in sewer, septic, and pipe cleaning work for the local area.
Caseyville, IL
⭐ 4.9 (8976 reviews)
Morrison Plumbing, Heating, Air & Electrical — Metro-East Illinois' trusted home service experts for 30+ years. Available 24/7. Schedule today!
Caseyville, IL
⭐ 5.0 (186 reviews)
Mitchell Environmental is a family-owned septic service company serving Madison and St. Clair Counties in Illinois, including Caseyville and surrounding areas. With a perfect 5.0-star Google rating from 185 reviews, the company provides comprehensive septic and sewer solutions for both residential and commercial properties of any size. Their service offerings include septic tank pumping and cleaning, aerobic treatment system maintenance, septic inspections, grease trap cleaning for restaurants and commercial kitchens, car wash pit pumping, holding tank services, sump pump pit maintenance, and sewage lift station care. Mitchell Environmental performs thorough pump-outs with backflush capability to remove sludge and solids, and utilizes hundreds of feet of hose to reach difficult locations without property damage. Additional services include effluent filter cleaning, baffle replacement, catch basin hydrojetting, and preventative maintenance scheduling. The team is committed to customer education, ensuring clients understand their septic system needs for long-term operational health. Mitchell Environmental provides free inspections and emphasizes meticulous attention to detail with every job.
Millstadt, IL
⭐ 5.0 (11 reviews)
Shults Septic Service, LLC is a locally owned and operated septic company serving Millstadt, Illinois and surrounding areas including Belleville. The company designs and installs septic systems and provides customized solutions for residential and commercial septic needs. Their services include septic system design and installation, service and inspections, excavating and restoration, and water control. Shults Septic offers maintenance agreements to keep septic systems operating properly. The co
O'Fallon, IL
⭐ 5.0 (1 reviews)
D-A-C Home Inspections provides comprehensive home inspection services in O'Fallon, IL, and the surrounding southwest Illinois and metropolitan St. Louis area. With a meticulous approach, D-A-C Home Inspections covers every aspect of a property, including the roof, attic, interior, electrical, plumbing, heating, air conditioning, foundation, crawlspace, or basement. They also offer additional inspections such as radon level checks, sewer scope inspections, and septic tank inspections. The company is dedicated to providing peace of mind for home buyers, ensuring they have all the necessary information to make an informed decision about their investment. As a licensed home inspector, the owner brings over 25 years of experience from the US Air Force, emphasizing hard work, dedication, accuracy, and adherence to standards. Veterans and first responders receive a discount on services.
Belleville, IL
⭐ 5.0 (1 reviews)
Belleville, IL
⭐ 4.5 (503 reviews)
# Ace Hardware of West Belleville Ace Hardware of West Belleville is a trusted hardware retailer located in Belleville, Illinois, serving the local community with a 4.5-star rating from over 500 customer reviews. As part of the nationwide Ace Hardware network, this location provides convenient access to quality hardware supplies and tools for both residential and commercial needs. The store offers comprehensive services to support homeowners and contractors in the West Belleville area. While Ace Hardware of West Belleville primarily functions as a full-service hardware retailer, customers can explore the broader Ace Hardware network's service offerings, which may include handyman services and project support. The store maintains a commitment to customer satisfaction, reflected in its strong Google ratings and established reputation in the community. With knowledgeable staff and a wide selection of products, Ace Hardware of West Belleville continues to be a reliable resource for local residents seeking hardware supplies, tools, and home improvement assistance.
O'Fallon, IL
⭐ 4.3 (16 reviews)
Jet Precast Inc. specializes in innovative precast concrete solutions, serving Central and Southern Illinois. They are a trusted provider of Jet residential wastewater treatment systems, handling both manufacturing and installation. Beyond septic systems, the company also offers a wide range of custom precast concrete products, including concrete steps, basement entrances, power vaults, and storm shelters. Their products are known for durability, functionality, and long-term performance. Located at 570 West Third St. O Fallon, IL 62269, Jet Precast Inc. operates Monday through Friday from 8:30 a.m. to 5:00 p.m., providing reliable service for various precast concrete needs in the region.
Sauget, IL
⭐ 4.1 (596 reviews)
# Cahokia RV Parque Cahokia RV Parque is an RV park and campground located in Sauget, Illinois, conveniently positioned within five minutes of the Gateway Arch in St. Louis, Missouri. The facility offers both short-term and long-term RV accommodations with 30-amp and 50-amp electrical hookups designed to support various RV sizes and power requirements. The park provides daily, weekly, and monthly rental options for travelers and seasonal guests seeking proximity to St. Louis attractions. The facility features on-site dining through Sawmill BBQ, a restaurant serving smoked meats and regional barbecue specialties. Cahokia RV Parque offers convenient shuttle service to downtown St. Louis, Forest Park, Busch Stadium, the St. Louis Zoo, art museums, and local breweries. The park maintains standard check-in and check-out times and operates an online reservation system for booking. With a 4.1-star rating based on 596 customer reviews, the establishment demonstrates consistent service quality. The park extends loyalty discounts to AAA, AARP, GoodSam, and military members. Cahokia RV Parque serves as an accessible base for visitors exploring the St. Louis metropolitan area while providing essential RV amenities and hospitality services.
East St Louis, IL
⭐ 3.9 (7 reviews)
# Visu-Sewer of Missouri, LLC Visu-Sewer of Missouri, LLC is a comprehensive underground collection system service provider based in East St. Louis, Illinois, serving municipalities and infrastructure systems across the country. The company specializes in three core service areas: inspection, maintenance, and rehabilitation of underground sewer and collection systems. For inspection services, Visu-Sewer utilizes high-resolution CCTV technology, lateral evaluation televising systems, dye water flooding, manhole inspections, and smoke testing to identify problems before they escalate into emergencies. Their maintenance capabilities include pipe jet cleaning and jet/vacuum services for any underground structure type. For rehabilitation, the company offers injection grouting, pipeline solutions including CIPP and sectional CIPP applications, cementitious lining, and manhole and tank rehabilitation using cementitious lining, epoxy lining, and CIPM methods. With a 3.9 Google rating, Visu-Sewer emphasizes providing customers with accurate assessments and expert execution on complex jobs, delivering peace of mind from project start to finish. Their portfolio includes significant municipal projects such as sealing over 2,500 laterals for the City of Wauwatosa.
St. Clair County's septic landscape reflects its blend of suburban growth and established rural communities. Older homes in unincorporated portions of the county often rely on conventional gravity-fed septic systems that were installed decades ago and may be approaching the end of their service life. Newer construction in growing areas near cities like O'Fallon and Caseyville sometimes requires pump-up or pressure-distribution systems where site conditions do not support gravity drainage. Illinois's cold winters and occasional heavy spring rainfall can stress drain fields and should factor into routine maintenance schedules. Homes on smaller lots or in areas with higher water tables may be candidates for alternative or advanced treatment systems. Regardless of system type, regular pumping and inspection remain the most reliable way to extend a system's functional life and avoid costly failures.
Septic system permitting and oversight in St. Clair County falls primarily under the St. Clair County Health Department, which administers regulations in line with Illinois state guidelines for private sewage disposal. Homeowners or contractors planning to install a new system, repair an existing one, or replace a failing drain field are generally required to obtain a permit before work begins. A site evaluation, sometimes including a soil percolation test, is typically part of the approval process. Illinois also has point-of-sale inspection requirements in many jurisdictions, meaning a septic system may need to be inspected and documented when a property changes hands. Homeowners can research applicable rules by contacting the St. Clair County Health Department directly or reviewing the Illinois Department of Public Health guidelines on private sewage disposal. Always verify current requirements with your local health department.
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