FEMA flood zone rules in St. George, UT — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
St. George enforces floodplain development regulations due to flash flood risk in the desert environment. Development in FEMA-designated flood zones requires permits and compliance with the city's floodplain ordinance.
St. George participates in the National Flood Insurance Program and enforces floodplain development regulations. The Virgin River and its tributaries create significant flood hazard areas. Development in FEMA-designated Special Flood Hazard Areas (Zone A, AE, AH) requires a floodplain development permit. Structures must be elevated above the base flood elevation. Fill placed in floodplains must be compensated to maintain flood storage capacity. The city maintains updated flood maps and may impose additional requirements beyond FEMA minimums due to the flash flood risk inherent to the desert environment.
Development in flood zones without permits results in fines, stop-work orders, and potential removal of non-compliant structures. Flood insurance rates may increase.
St. George, UT
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See how St. George's flood zones rules stack up against other locations.
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