FEMA flood zone rules in Oklahoma County, OK — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Oklahoma County participates in FEMA's National Flood Insurance Program (NFIP). Significant flood zones exist along the North Canadian River and its tributaries. Floodplain development permits required for construction in Special Flood Hazard Areas (SFHA).
Oklahoma County has extensive FEMA-mapped flood hazard areas along the North Canadian (Oklahoma) River and tributary creeks. The county participates in NFIP allowing property owners to purchase federally backed flood insurance. Development within Zone A or AE requires a floodplain development permit. OWRB coordinates state NFIP participation. Elevation certificates required for new construction in SFHAs.
Construction below flood elevation: retroactive compliance required, fines $500 to $5,000. Floodway encroachment: removal order. Failure to maintain flood insurance: lender force-placement at higher cost.
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See how Oklahoma County's flood zones rules stack up against other locations.
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