Flood Hazards Go Official in Listed U.S. Communities
Published Date: 9/10/2026
Notice
Summary
Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or regulatory floodways on the Flood Insurance Rate Maps (FIRMs) and where applicable, in the supporting Flood Insurance Study (FIS) reports have been made final for the communities listed in the table below. The FIRM and FIS report are the basis of the floodplain management measures that a community is required either to adopt or to show evidence of having an effect in order to qualify or remain qualified for participation in the Federal Emergency Management Agency's (FEMA's) National Flood Insurance Program (NFIP).
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Final Flood Hazard Determinations Effective July 21, 2026
If you own or lease property in the listed communities (Allendale, Bamberg, Barnwell, Hampton Counties in South Carolina, and San Augustine County, Texas), new flood hazard determinations are final effective July 21, 2026. These final determinations may change Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or regulatory floodways, and communities must adopt or show evidence of floodplain management measures to qualify or remain qualified for the National Flood Insurance Program (NFIP).
Updated Flood Maps Available at Repositories and Online
Interested property owners and lessees can inspect the new or revised Flood Insurance Rate Maps (FIRMs) and Flood Insurance Study (FIS) reports at the community map repository addresses listed in the notice or online through the FEMA Map Service Center (https://msc.fema.gov) by July 21, 2026. The notice encourages owners and lessees to review these materials for the communities named in the table.
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Key Dates
Department and Agencies
Related Federal Register Documents
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Previous / Next Documents
Previous: 2026-18409, Final Flood Hazard Determinations
Flood hazard determinations, which may include additions or modifications of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or regulatory floodways on the Flood Insurance Rate Maps (FIRMs) and where applicable, in the supporting Flood Insurance Study (FIS) reports have been made final for the communities listed in the table below. The FIRM and FIS report are the basis of the floodplain management measures that a community is required either to adopt or to show evidence of having an effect in order to qualify or remain qualified for participation in the Federal Emergency Management Agency's (FEMA's) National Flood Insurance Program (NFIP).
Next: 2026-18411, Information Collection Being Reviewed by the Federal Communications Commission Under Delegated Authority
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