1 county-level rule, plus city-specific rules for 1 city in Yolo County, California.
Verified from official government sources
Yolo County participates in the FEMA National Flood Insurance Program (NFIP) and enforces a floodplain management ordinance for development in Special Flood Hazard Areas (SFHA) along the Sacramento River, Yolo Bypass, Cache Creek, Putah Creek, and the Colusa Basin Drain (Knights Landing, Dunnigan, Clarksburg). The county's levees were decertified under FEMA mapping in the late 2000s, putting tens of thousands of Yolo residents into the SFHA and triggering mandatory flood insurance for federally backed mortgages.
1 cities in Yolo County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
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Yolo County Ordinance Hub →