Emergency guide · Direct answer first

Sump Pump Failure: When the Water Keeps Rising

If your sump pump fails, the basement can flood within hours, so call a restoration company for emergency pump-out immediately. While you wait, check whether the pump lost power, lifted float, or jammed, and clear the pit of debris only if it is safe. A working backup system, battery or water-powered, is the difference between a wet floor and a flooded basement.

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Do this right away

The first steps, in order

01

Call for emergency pump-out

Crews bring submersible pumps that handle rising water faster than a household sump, and they can run continuously.
02

Check the power source

Look for a tripped breaker or a dead outlet. Many failures are just power loss during the storm that caused the flooding.
03

Clear visible jams only if safe

If the float is stuck or debris blocks the pump, clear it only from dry ground and without reaching into the water.
04

Move items to higher ground

Raising boxes and electronics protects them from the rising water line.
05

Plan a backup

Most professional advice: battery or water-powered backup, a high-water alarm, and annual maintenance. Ask the crew for guidance.

Why do sump pumps fail at the worst time?

Sump pumps work hardest during storms, exactly when power is most likely to flicker and drains are most loaded. Common failures: power loss, a stuck or tangled float, a jammed impeller, an undersized pump for the groundwater load, and age. Clay-soil areas with heavy basement drainage, like much of southeast Michigan, push pumps to their limits.

Is sump pump failure covered by insurance?

Water damage caused by a failed sump pump is usually an excluded cause under base homeowners policies, sometimes added back as an endorsement. Groundwater flooding into the basement is treated as flood and typically needs separate flood coverage. Check your policy before relying on it, and keep mitigation records regardless.