Sump Pump Not Working? Fix It Fast
Updated July 14, 2026 · 6 min read
A sump pump not working can cause serious flooding in your basement. It's a common issue that needs quick attention.
What It Usually Means
A sump pump not working usually means the pump is either broken, disconnected, or the system is flooded. It can also signal a power outage or a clogged discharge line.
Most Common Causes
- Power outage or tripped GFCI
- Clogged discharge line or impeller
- Worn-out or faulty pump
- Float switch malfunction
- High water levels or backup
How to Safely Check It Yourself
- 1Turn off power to the pump at the switch
- 2Check if the float switch is stuck or jammed
- 3Look for clogs in the discharge pipe
- 4Test the pump by pouring water into the sump pit
- 5Ensure the GFCI outlet is not tripped
Rather have a vetted pro handle it? One request, no wall of calls.
Get Started — FreeLicense & insurance verified · One number: ours, never sold · Free for homeowners
When It’s Time to Call a Pro
If the pump is old, makes loud noises, or fails after basic checks, a professional is needed. A sump pump that fails regularly often needs replacement.
Signs You Need Immediate Help
- Water rising in the basement
- Pump makes unusual grinding or humming sounds
- Electrical issues or burning smell
- Sewage backup or foul odors
- Flooding after heavy rain
Get a vetted contractor for sump pump repair or replacement — it's fast and free.
Get Started — FreeLicense & insurance verified · One number: ours, never sold · Free for homeowners
Frequently asked questions
- How often should I test my sump pump?
- Test your sump pump monthly by pouring water into the pit to ensure it turns on and drains properly.
- Can I replace a sump pump myself?
- Basic replacement is possible, but it's best to hire a licensed pro for electrical and plumbing connections.
- What causes sump pump failure?
- Common causes include clogs, power issues, worn parts, and age — most pumps last 10-15 years.
Keep reading
Get Started — Free
License & insurance verified · One number: ours, never sold · Free for homeowners