# 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.
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