FEMA flood zone rules in Oklahoma City, OK — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Oklahoma City regulates development in flood-prone areas under Chapter 16 (Drainage and Flood Controls). The city participates in FEMA's National Flood Insurance Program. New construction in Special Flood Hazard Areas must elevate the lowest floor at least one foot above Base Flood Elevation. The Oklahoma River corridor, Deep Fork Creek, and numerous tributaries create significant flood zones across the metro area.
OKC Public Works provides FEMA Flood Insurance Rate Maps (FIRMs) and flood zone determinations. Development in the regulatory floodway requires a no-rise certification. Oklahoma City has significant floodplain areas due to the North Canadian River and its tributaries. OWRB coordinates statewide NFIP participation.
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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Side-by-side rule comparisons with other cities in Oklahoma County.
See how other cities in Oklahoma County handle flood zones.
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