What it means
Floor drains use a trap and grate to collect liquid near equipment that may leak or overflow. Laundry rooms, mechanical rooms, and commercial kitchens rely on them to keep spills from spreading.
Unused floor drains can dry out, letting sewer gas enter the room. Regular use or trap primers keep the water seal intact. Misconnected garage drains tied to sanitary lines can overload sewers during storms.
Why it matters in Santa Cruz County
Garage and basement floor drains in Felton and Boulder Creek homes see mud and debris during winter runoff. Coastal garages in Pleasure Point need clear drains when high tides push groundwater toward slab openings.
Homeowner tip
Pour a bucket of water into rarely used floor drains monthly to maintain the trap seal.
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Related glossary terms
Also explore the Septic Glossary or call 831.225.4344 with questions about your property.