How often should you test your sump pump operation?

Skipping it eventually leads to water damage or an expensive repair.

Staying on schedule matters beyond the repair bill: a consistent maintenance record is one of the factors in a home's Roots Home Health Score, and well-kept homes typically sell faster and closer to asking price.

How to do it

A sump pump fails silently between storms, so the only real check is making it run: pour in a bucket of water and watch the full cycle, including where the water actually goes outside.

1. Lift the pit lid and check the pit is free of debris that could jam the float.
2. Slowly pour in a 5-gallon bucket of water until the float rises and the pump kicks on.
3. Confirm it evacuates the pit quickly and shuts off cleanly: no grinding, no running-on.
4. Step outside and verify water is actually discharging away from the foundation (extend the line if it dumps at the wall).
5. Listen at the check valve after shutoff. Water hammering back into the pit means the valve is failing.
6. If you have a battery backup: unplug the primary pump and repeat the test on battery power. Plug back in when done.

Alternatives & optional extras

• No bucket handy? Lift the float by hand just long enough to hear the pump kick on. Never run it dry longer than a second or two.
• Worth adding: a water-leak alarm in the pit, and a battery backup if the basement is finished.

Time: 15 minutes · Typical cost: Free; a water-leak alarm for the pit is $10–$25

What you'll need

• Water-leak alarm for the sump pit (alerts you at the first sign of water)

If you skip it

An untested pump fails silently until the first serious storm, and the result is a flooded basement: routinely a five-figure loss, and one many homeowner policies exclude without a specific rider.

Other sump pump maintenance

• Clean sump pit and check valve — once a year, ideally in March

Related systems to keep on schedule

• Water softener — start with: check and refill water softener salt, once a month
• Water filtration system — start with: replace water filtration cartridges, every 6 months
• Septic system — start with: pump septic tank, every 3 years
• Well water system — start with: test well water quality, once a year