FEMA flood zone rules in Mohave County, AZ — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Mohave County enforces FEMA floodplain standards through the National Flood Insurance Program. Building in a mapped flood zone or desert wash requires elevation above base flood elevation and a floodplain use permit.
Flash flooding through washes and arroyos is the county's biggest natural hazard, and Mohave County administers floodplain management under the National Flood Insurance Program. Structures in a FEMA Special Flood Hazard Area, the 100-year floodplain, must be elevated to or above base flood elevation, and a floodplain use permit is required before building, filling, or grading in mapped floodplains or floodways. Federally-backed mortgages in a flood hazard area require flood insurance. Many desert washes look dry most of the year but flood violently with little warning during monsoon and winter storms, so mapped areas are treated seriously.
Building below base flood elevation or filling a floodway without a permit brings stop-work orders, required elevation or removal, and fines. Lenders force-place costly flood insurance.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Mohave County, AZ
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See how Mohave County's flood zones rules stack up against other locations.
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