What it means
Sump pumps activate when pit water rises to a float switch, sending flow through a discharge pipe away from the foundation. Battery backup units help during power outages in storm season.
Failed check valves, clogged intakes, or undersized pumps leave crawl spaces damp and promote mold. Regular testing before winter is essential.
Why it matters in Santa Cruz County
Low-lying Capitola, Pleasure Point, and Watsonville properties rely on sump pumps where groundwater sits high. Hillside homes with springs in Felton and Ben Lomond add pumps to garage pits and basement storage areas.
Homeowner tip
Pour water into the pit twice a year to confirm the pump and float switch actually start.
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Related glossary terms
Also explore the Septic Glossary or call 831.225.4344 with questions about your property.