Your sump pump is one of the few things in your house that works all year without you ever thinking about it — until the day it matters most and doesn't. Here's how to tell when it needs attention or replacement.
Signs Your Pump Is Struggling
- It runs constantly — the pump should cycle on and off periodically, not run nonstop or for unusually long stretches.
- Strange noises — grinding, rattling, or a loud humming that used to be quiet.
- It doesn't run when it should — water builds in the pit and the pump never kicks on. Test it by pouring water into the pit.
- Old age — most sump pumps last roughly 7 to 10 years. If yours is up there, you're on borrowed time.
- Visible rust or corrosion on the unit or its connections.
The Battery Backup Question
Here's the reality: when a storm knocks out your power is exactly when you need your sump pump most — and exactly when most pumps stop working. A battery backup system keeps water moving during an outage, and it's one of the smartest flood-prevention investments most homeowners can make.
What Counts as DIY vs. Call a Pro
You can handle simple maintenance: keep the pit clean of debris, check that it's plugged in and the float moves freely, and test it a few times a year with a bucket of water.
But if you notice any of the signs above — especially a pump that won't run, runs constantly, or is near the end of its life — that's the time to call a professional before the next big storm. Replacing a pump is straightforward for someone set up for it, and catching it early beats a waterlogged basement.
The Bottom Line
A few minutes of prevention each season is worth it. Test your pump, keep the pit clear, and don't ignore the warning signs — your basement will thank you.