Garden Grove requires erosion and sediment control measures on all construction and grading projects to prevent soil from entering the storm drain system. Projects must comply with the city's grading code and the state Construction General Permit for sites disturbing one acre or more.
Garden Grove enforces erosion control through its grading and building codes and as part of its NPDES stormwater permit obligations. All construction, grading, and land-disturbing activities must implement erosion and sediment control BMPs to prevent soil from leaving the site and entering storm drains or waterways. Required measures include silt fences, fiber rolls, gravel bag barriers, stabilized construction entrances to prevent track-out, and soil stabilization on exposed areas. Projects disturbing one acre or more must obtain coverage under the state Construction General Permit and file a SWPPP with the State Water Resources Control Board. The SWPPP must detail all erosion, sediment, and non-stormwater controls and be kept on-site. During the rainy season (October through April), additional protections may be required. Stockpiled soil must be covered or contained. Dewatering discharges require separate authorization. The city inspects active construction sites for compliance with erosion control requirements.
Failure to implement required erosion controls can result in stop-work orders, administrative citations, and fines from Garden Grove Code Enforcement. State Construction General Permit violations carry penalties up to $10,000 per day. Contact Community Development at (714) 741-5312.
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