FEMA flood zone rules in Desoto County, MS — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
DeSoto County participates in the NFIP and enforces floodplain management under the county and municipal Flood Damage Prevention Ordinances. Properties in FEMA Zones A and AE along the Coldwater River, Horn Lake Creek, and Nonconnah Creek face elevation, freeboard, and insurance requirements.
DeSoto County and its municipalities participate in the FEMA National Flood Insurance Program. The county's effective Flood Insurance Rate Maps (FIRMs) were most recently updated in 2011 with subsequent Letters of Map Revision. Significant Special Flood Hazard Areas (SFHAs) include the Coldwater River, Horn Lake Creek, Nonconnah Creek, Pigeon Roost Creek, and Camp Creek corridors. New construction in Zones A, AE, and AH must have the lowest floor (including basement) elevated at least 1 foot above Base Flood Elevation (local freeboard); some municipalities require 2 feet. Substantial improvements (50 percent or more of market value) or substantial damage trigger full elevation compliance. Fill and structures in mapped floodways are prohibited absent a No-Rise certification under 44 CFR 60.3(d). Federally-backed mortgages on SFHA properties require flood insurance. Elevation Certificates are required for permits and insurance rating.
Construction below required elevation: stop-work order, retroactive elevation or demolition, fines $500 to $5,000. Floodway encroachment without No-Rise: removal order plus NFIP sanctions. Failure to obtain a development permit in SFHA: daily fines. Misrepresentation on Elevation Certificate: federal charges.
Desoto County, MS
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Desoto County, MS
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Desoto County, MS
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Desoto County, MS
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Desoto County, MS
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Desoto County, MS
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See how Desoto County's flood zones rules stack up against other locations.
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