San Diego's stormwater ordinance under SDMC §§43.0301-43.0312 controls non-stormwater discharges to protect water quality in bays, beaches, and waterways. The City operates under the Phase I MS4 Permit issued by the San Diego Regional Water Quality Control Board. New development must comply with the City's Stormwater Standards Manual for construction and post-construction BMPs. Illicit discharge to storm drains is a violation under SDMC §43.0302.
San Diego enforces stormwater management regulations to prevent flooding and protect water quality. New construction and major renovations must include stormwater management plans. Impervious surface limits may apply in residential zones. Low-impact development techniques like rain gardens, permeable pavers, and bioswales are encouraged or required. Erosion and sediment control plans needed during construction. Post-construction stormwater facilities must be maintained by property owners. Municipal separate storm sewer system (MS4) permits govern city-wide discharge.
Failure to implement stormwater plan: stop-work order. Illicit discharge to storm drains: fines $500 to $10,000. Maintenance failures: notice and fines after non-compliance.
San Diego, CA
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Side-by-side rule comparisons with other cities in San Diego County.
See how other cities in San Diego County handle stormwater management.
See how San Diego's stormwater management rules stack up against other locations.
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