Is Your Sump Pump About to Fail? Here’s What to Look For Before You End Up in Knee-Deep Trouble

Your sump pump doesn’t get much attention—until it stops working. Then it’s all hands on deck, towels, buckets, and panic. At Lorenz Plumbing, we know how quickly a dry, finished basement can turn into a flooded nightmare. The good news? Most sump pump failures give you some warning—if you know what to look for.

Whether your pump is humming along or suspiciously quiet, it’s smart to check in with it before the next heavy rain. Let’s go over the signs of sump pump failure, a few things you can do to extend its life, and when it’s time to call in a professional.

What Does a Sump Pump Actually Do?

Your sump pump is installed in a pit—usually in your basement or crawlspace—and its job is simple but critical: move water out of your home before it causes damage. When water collects in the pit (from rain, groundwater, or snowmelt), the pump activates and sends it safely away from your foundation.

Warning Signs Your Sump Pump Is Failing

1. Weird Noises:
A healthy sump pump should run with a steady, low hum. If you hear grinding, rattling, or screeching sounds, it could be a worn-out motor or a jammed impeller.

2. Constant Running:
If your sump pump runs nonstop—even when it hasn’t rained—it might be stuck in the “on” position due to a faulty float switch or a wiring issue.

3. It Doesn’t Turn On:
On the flip side, if it’s not turning on at all when the pit fills with water, something is definitely wrong. This could be a power issue, motor failure, or a bad switch.

4. Slow or No Water Removal:
If water just sits in the pit, the pump may be clogged, the discharge pipe might be blocked, or the motor could be shot.

5. It’s Getting Old:
Sump pumps usually last about 7–10 years. If yours is approaching that age (or older), it’s smart to have it inspected or replaced before it fails when you need it most.

Maintenance Tips to Keep It Working

• Test it quarterly by slowly pouring a bucket of water into the pit—make sure it turns on and removes the water.

• Clean the pit and remove any dirt, gravel, or debris that could clog the pump.

• Check the power source. Always plug it into a GFCI outlet, and consider a backup power system.

• Inspect the discharge line to make sure it’s not blocked, frozen, or broken.

• Consider a battery backup system—especially if your area is prone to power outages during storms.

When to Call Lorenz Plumbing

If you’ve spotted one or more of the red flags above, don’t wait. Sump pump issues rarely fix themselves, and a flooded basement isn’t something you want to deal with.

At Lorenz Plumbing, we specialize in sump pump inspection, repair, and replacement. We’ll give you honest recommendations, explain your options clearly, and get your system working the way it should—before the next downpour hits.

Protect your home before the water rises. Call Lorenz Plumbing today for expert help you can count on.