Basement Water Desk

Independent homeowner reference

Understand the water problem before you choose the next step

Clear, safety-first guidance for sump-pump symptoms, backup systems and basement water. Start with what you can observe. We separate likely causes from confirmed faults and show when the safest action is to stop.

Troubleshoot a sump pumpBasement flooding now

Choose the situation you can see

Pump is silent or will not start

Use the central troubleshooting guide to separate power, float and pump symptoms without working around wet electrical equipment.

Pump runs but water stays in the pit

Follow the no-flow guide. A blocked or frozen discharge, valve problem or pump fault can look similar from the basement.

Pump runs continuously

Compare continuous inflow with a stuck control or water returning through the discharge line.

Water entered after heavy rain

Map where the water first appeared before choosing drainage, crack or sump work.

Basement is already flooded

Start with electrical, contamination and structural safety, then document, remove water and dry.

Planning protection

Compare battery backup limits, check-valve function and replacement scope before requesting quotes.

How this site works

Observation: what you can see or hear.

Possible cause: a plausible explanation that still needs confirmation.

Safe check: a low-risk observation that does not require contact with wet electrical equipment.

Next step: monitor, consult the model manual, or call the appropriate professional.

Sources and scope

Use the manual for your exact pump, controller and backup system when it differs from general guidance.