Standing water near electrical equipment is dangerous, and every hour of flooding increases damage. Act immediately.
Call (866) 417-0220Why it happens in Kansas City
Combined sewer surcharge
Storms fill combined sewers and push water into basements.
Clay soils
Slow-draining clay keeps groundwater high against foundations.
Sump pump failure
Pumps fail from age, floats or outages during storms.
Plumbing leaks
Basement water heaters and supply hoses fail.
Downspouts and grading
Downspouts emptying beside the foundation and soil sloping toward the house send storm water into basement walls.
Signs to watch for
- Water around the sump pit or floor edges
- Water coming up through the floor drain
- Water near the water heater or washer
- Damp walls after rain
- Musty smell and efflorescence on walls
Emergency, or can it wait?
Call right away if…
- Water near outlets, the panel or appliances
- Sewage in the basement
- Water rising during a storm
Usually OK to schedule if…
- Minor dampness after rain with no standing water
What Kansas City homeowners can check first
- Is the water from the floor drain or walls?
- Did it start in heavy rain?
- Is the sump pump working?
- Do downspouts drain away from the house?
- Look at whether the soil around the foundation slopes toward the house

How our plumbers fix it
- Test the sump pump, float and check valve.
- Inspect the floor drain and main line.
- Check supply lines, water heater and washer hoses.
- Evaluate downspouts and grading.
Basement Flooding in Kansas City: questions
How do I protect a Kansas City basement from flooding?
Use a sump pump with backup, extend downspouts, and add a backwater valve if sewer backups occur.
Will the Smart Sewer program stop basement backups?
It improves capacity and reduces overflows over time; private protection like backwater valves still helps.
Is basement floodwater dangerous?
Sewer water is contaminated; avoid contact and discard soaked porous materials.
Does insurance cover Kansas City basement floods?
Sewer backup and flood typically need separate coverage.
Should I finish a Kansas City basement that has flooded?
Address the source first and choose flood-tolerant materials; finishing over an unsolved water problem leads to costly losses.
Next steps
National guide: Basement Flooding · Plumbing in Kansas City · Basement Flooding in St. Louis

