What it means
Storm drains collect roof downspout water, yard runoff, and parking lot flow without mixing toilet or kitchen waste. Connecting a sanitary line to storm drainage pollutes waterways and violates environmental codes.
Clogged storm grates and underground lines cause yard flooding and garage seepage during heavy rain. Maintenance includes clearing debris and jetting sediment buildup.
Why it matters in Santa Cruz County
Santa Cruz County winter storms overwhelm clogged storm systems in low areas near the San Lorenzo River and coastal flats. Hillside properties must keep hillside drains and culverts clear before atmospheric river events.
Homeowner tip
Keep leaves and mulch away from exterior drain grates before forecast heavy rain.
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Related glossary terms
Also explore the Septic Glossary or call 831.225.4344 with questions about your property.