St. Louis, MO · plumbing service
Sewer Backup Cleanup in St. Louis, MO
Heavy storms push water back through basement floor drains in older neighborhoods. Call to be connected with an independent, licensed plumber who handles sewer backup cleanup in St. Louis; they diagnose the problem and quote the work before starting.
By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.- Licensed local plumbers
- Free call and referral
- You approve the quote first
Common signs
- Sewage coming up through floor drains
- tubs or toilets
Sewer Backup Cleanup services in St. Louis
- Sewer BackupSewage coming up through floor drains, tubs or toilets.
- Drain CleaningSlow drains, recurring clogs and backed-up sinks, tubs and showers.
- Sewer Line RepairRecurring backups, sewer odors, slow fixtures or a damaged sewer line.
- Emergency PlumberBurst pipes, major leaks, sewage backups and no-water situations.
Problems sewer backup cleanup fixes
- Sewage coming up in a floor drain, tub or lowest toilet
- Backups during heavy rain
- Repeated backups after the line was cleared
- Water damage after a backup
Why sewer backup cleanup comes up in St. Louis
Heavy storms push water back through basement floor drains in older neighborhoods.
87% of St. Louis's homes were built before 1980, when sewer laterals were commonly clay or cast iron. Clay joints let roots in and cast iron corrodes and scales, so a camera inspection is the first step before paying for a repair.
- Typical home built
- 1938
- Homes before 1980
- 87%
- Winter freezes
- Regular hard freezes
How the work is done
- 1Stop the flowStop using water and find whether the blockage is in your line or the public sewer.
- 2Clear the lineThe plumber clears the lateral and checks it with a camera.
- 3Clean up safelyContaminated water and porous materials are removed and the area disinfected.
- 4Prevent the next oneA backwater valve, cleanout or lateral repair, depending on the cause.
What affects the price
The plumbing company sets the price after seeing the job; ask for it in writing before work starts.
- Where the blockage is
- How much area was affected
- Whether a camera inspection or repair follows
- Backwater valve installation and any permit
- After-hours timing
Plumbing work we connect St. Louis homeowners with
Sewer Backup Cleanup in St. Louis: questions
Will MSD pay for sewer backup damage in my St. Louis basement?
If an overcharged MSD sewer caused it, MSD reimburses up to $3,000 with a $100 deductible; lateral-caused backups aren't covered. Contact MSD within 30 days of the backup.
Can MSD install a backflow valve at my St. Louis home after repeated backups?
If you have a history of backups caused by MSD issues, its Sewer Separation Program pays for modifications like a backflow device or grinder pump and maintains them.
How fast does MSD respond to a sewage backup in St. Louis?
For urgent cases like raw sewage in or around the house, MSD usually sends a crew within a few hours, though heavy storms can stretch that to days. Call 1 (314) 768-6260.
Why is sewer backup cleanup a common call in St. Louis?
Heavy storms push water back through basement floor drains in older neighborhoods.
How old are most homes in St. Louis?
The median home in St. Louis was built in 1938, and 87% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
What should I do if sewage backs up in my St. Louis home?
Stop using water, stay out of the affected area and call; the line needs clearing, the area needs cleaning, and the cause should be found so it doesn't repeat. In St. Louis: heavy storms push water back through basement floor drains in older neighborhoods.
Who supplies water in St. Louis?
City of St. Louis Water Division. Past the meter, plumbing is the owner's.
More plumbing services in St. Louis
- Sewer Line Repair in St. Louis, MOSewer Line Repair in St. Louis, MO: about 87% of homes predate 1980, many with original clay or cast iron laterals.
- Repiping in St. Louis, MORepiping in St. Louis, MO: galvanized supply lines in century-old brick homes corrode and restrict flow.
- Emergency Plumbing in St. Louis, MOPlumbing emergency in St. Louis, MO? Who to call (City of St. Louis Water Division or a plumber), what to shut off first, and the emergencies most likely in St. Louis homes.
- All plumbing services in St. LouisEvery plumbing service available to St. Louis homes.
Local rules and details for St. Louis
St. Louis facts behind this page
- The median home in St. Louis was built in 1938. [1]
- About 87% of St. Louis's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- If an overcharged MSD sewer line discharges into a building after excessive rain, the Metropolitan St. Louis Sewer District will reimburse up to $3,000, with a $100 deductible, for resulting damage. If a collapsed or blocked MSD line causes the backup, MSD reimburses adjusted losses. Backups from private lateral problems are not covered, and owners must contact MSD within 30 days to be eligible. [2]
- For customers with a history of building backups caused by MSD issues, the Metropolitan St. Louis Sewer District offers a Sewer Separation Program in which MSD pays for plumbing modifications to protect against future backups, such as a backflow device or check valve or a grinder pump, and provides ongoing maintenance, repair and emergency service for the devices it installs. [3]
- MSD says that for urgent sewer issues, including raw sewage inside or outside the house, it sends a maintenance crew usually within a few hours. During heavy rainfall it may receive hundreds of calls and prioritizes by health and safety threats, so response can take a few hours to a few days. MSD Customer Service is 1 (314) 768-6260. [4]
St. Louis rules and programs for sewer backup cleanup
- If an overcharged MSD sewer line discharges into a building after excessive rain, the Metropolitan St. Louis Sewer District will reimburse up to $3,000, with a $100 deductible, for resulting damage. If a collapsed or blocked MSD line causes the backup, MSD reimburses adjusted losses. Backups from private lateral problems are not covered, and owners must contact MSD within 30 days to be eligible. [2]
- For customers with a history of building backups caused by MSD issues, the Metropolitan St. Louis Sewer District offers a Sewer Separation Program in which MSD pays for plumbing modifications to protect against future backups, such as a backflow device or check valve or a grinder pump, and provides ongoing maintenance, repair and emergency service for the devices it installs. [3]
- MSD says that for urgent sewer issues, including raw sewage inside or outside the house, it sends a maintenance crew usually within a few hours. During heavy rainfall it may receive hundreds of calls and prioritizes by health and safety threats, so response can take a few hours to a few days. MSD Customer Service is 1 (314) 768-6260. [4]
Other common plumbing calls in St. Louis
- Sewer Line Repair: about 87% of homes predate 1980, many with original clay or cast iron laterals.
- Repiping: galvanized supply lines in century-old brick homes corrode and restrict flow.
Safety first
Keep people and pets away from sewage; stop running water.
Sources (4)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- Metropolitan St. Louis Sewer District, Financial Assistance for Building Backups · checked 2026-10-19
- Metropolitan St. Louis Sewer District, Sewer Backup Prevention Program · checked 2026-10-19
- Metropolitan St. Louis Sewer District, Sewer Backups · checked 2026-10-19