Frozen Sump Pump Problems & Winter Prevention Tips for North Little Rock Homes
Winter in Arkansas can come out of nowhere — one day it’s mild and rainy, the next we’re talking freeze warnings. While many homeowners think about frozen pipes, one critical piece of equipment often goes overlooked: the sump pump.
A sump pump is your home’s first line of defense against basement flooding. When it freezes or fails in cold weather, water can back up, soil can shift, and what was once a minor issue can turn into a major repair. In this blog, we’re digging into what causes frozen sump pumps, how to prevent problems, and what to do if your pump struggles when the temperature drops.
Why Frozen Sump Pumps Are a Big Deal in North Little Rock
Sump pumps are designed to kick on when water rises in the pit — usually after rain, snowmelt, or spring storms. But when temperatures dip below freezing, issues arise:
The discharge line can freeze, preventing water from leaving the pit.
The pump itself can become frozen, especially if water sits too long.
Check valves and float switches can stick in cold weather.
Soil around the home can shift during freeze/thaw cycles, increasing water penetration.
Because North Little Rock and Central Arkansas sometimes get sudden cold snaps without a lot of buildup, homeowners can be caught off guard. What you don’t see — water backing up silently under floors or behind walls — can be costly.
Signs Your Sump Pump Might Be Struggling in Cold Weather
Here are common signs that your sump pump isn’t functioning properly — especially in freezing weather:
Strange or inconsistent noises — A pump that hums but doesn’t kick on could have a frozen discharge line.
Water sitting in the pit — If water stays high even after the rain stops, that’s a red flag.
Pump cycles rapidly on and off — This can signal float switch issues or partial freezing.
Visible ice on or around the sump basin — Clear evidence your system isn’t clearing water like it should.
Basement musty smell or damp flooring — A sump pump problem can cause water to accumulate where you can’t easily see it.
Tips to Prevent Your Sump Pump From Freezing
Insulate the Discharge Line
Cover exposed pipes with foam insulation or heat tape to keep water flowing even when temps drop below freezing.
Add a Clear Sump Pit Cover
A snug cover helps keep cold air out — just be sure it’s vented so the pump still operates safely.
Install a Backup Pump
Battery or water-powered backups provide peace of mind if the main pump freezes or loses power.
Check Your Float Switch
Make sure the float moves freely and doesn’t catch on debris — sticking is a common issue when things get cold.
Use a Small Heat Source (Safely)
A small, moisture-resistant heat lamp in the crawlspace can help keep the sump area above freezing — just be cautious and avoid open flames or unsafe setups.
When to Call Sanders Plumbing HVAC
If you notice any of the signs above, or if your sump pump hasn’t been checked in a while, inspection and winterization can make a major difference. Licensed plumbers and HVAC techs at Sanders Plumbing HVAC can:
Inspect and test discharge lines
Install insulation or heat tape properly
Replace old, worn pumps
Evaluate battery backup systems
Diagnose hidden issues before they flood your home
In North Little Rock, basement flooding and sump issues often occur after sudden freezes and rains. Catching problems early can save you from major repairs later.
Wrap-Up: Don’t Let Winter Win
A frozen sump pump might not seem urgent until water is in your home. But with a few preventive steps — and with professional support — you can keep your system responsive all winter long. This winter, let comfort mean no surprises below your floors.
Your home deserves protection that works — rain, freezing nights, or all of the above.
