FEMA Releases Updated Flood Hazard Maps for Communities
Published Date: 5/18/2026
Notice
Summary
Starting June 10, 2026, several communities will see updated flood risk maps that show new or changed flood zones and water levels. These changes affect homeowners, renters, and local governments by guiding flood insurance rules and safety plans. If you live in or own property in these areas, expect updates that could impact insurance costs and building rules.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Final flood maps take effect June 10, 2026
On June 10, 2026, FEMA’s updated Flood Insurance Rate Maps (FIRMs) and supporting Flood Insurance Study (FIS) reports for the listed communities become final. The maps show additions or changes to Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and regulatory floodways, and these changes could affect homeowners and renters by changing flood insurance costs and local building rules.
Communities must adopt FEMA floodplain measures
FEMA’s final flood hazard determinations are the basis for floodplain management measures communities must adopt or demonstrate are in effect to qualify or remain qualified for the National Flood Insurance Program (NFIP). Communities listed must adopt or show evidence of those required measures to maintain NFIP participation after the effective date of June 10, 2026.
Personalized for You
How does this regulation affect your finances?
Personalize government policy and PRIA will tell you what this federal register document means for your household, plus every other regulation we track. PRIA reads each provision against your financial profile to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-15944, Changes in Flood Hazard Determinations
New or modified Base (1-percent annual chance) Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and/or regulatory floodways (hereinafter referred to as flood hazard determinations) as shown on the indicated Letter of Map Revision (LOMR) for each of the communities listed in the table below are finalized. Each LOMR revises the Flood Insurance Rate Maps (FIRMs), and in some cases the Flood Insurance Study (FIS) reports, currently in effect for the listed communities.
2026-15946, Changes in Flood Hazard Determinations
New or modified Base (1-percent annual chance) Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, and/or regulatory floodways (hereinafter referred to as flood hazard determinations) as shown on the indicated Letter of Map Revision (LOMR) for each of the communities listed in the table below are finalized. Each LOMR revises the Flood Insurance Rate Maps (FIRMs), and in some cases the Flood Insurance Study (FIS) reports, currently in effect for the listed communities.
2026-15943, Proposed Flood Hazard Determinations
Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood depth, Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the Flood Insurance Rate Maps (FIRMs), and where applicable, in the supporting Flood Insurance Study (FIS) reports for the communities listed in the table below. The purpose of this notice is to seek general information and comment regarding the preliminary FIRM, and where applicable, the FIS report that the Federal Emergency Management Agency (FEMA) has provided to the affected communities. The FIRM and FIS report are the basis of the floodplain management measures that the community is required either to adopt or to show evidence of having in effect in order to qualify or remain qualified for participation in the National Flood Insurance Program (NFIP).
2026-15942, 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).
2026-15938, Proposed Flood Hazard Determinations
Comments are requested on proposed flood hazard determinations, which may include additions or modifications of any Base Flood Elevation (BFE), base flood depth, Special Flood Hazard Area (SFHA) boundary or zone designation, or regulatory floodway on the Flood Insurance Rate Maps (FIRMs), and where applicable, in the supporting Flood Insurance Study (FIS) reports for the communities listed in the table below. The purpose of this notice is to seek general information and comment regarding the preliminary FIRM, and where applicable, the FIS report that the Federal Emergency Management Agency (FEMA) has provided to the affected communities. The FIRM and FIS report are the basis of the floodplain management measures that the community is required either to adopt or to show evidence of having in effect in order to qualify or remain qualified for participation in the National Flood Insurance Program (NFIP).
2026-15941, 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).
Previous / Next Documents
Previous: 2026-09847, Changes in Flood Hazard Determinations
FEMA is updating flood maps for certain communities using new science, changing flood risk zones and water levels. If you live or own property in these areas, your flood insurance rules and costs might change soon. You’ve got 90 days after local notice to ask for a review, so keep an eye out and act fast!
Next: 2026-09850, Changes in Flood Hazard Determinations
FEMA is updating flood risk maps for certain communities using new science and data. These changes might affect flood insurance rules and costs, so residents and businesses should check the updated maps and act fast if they want to appeal within 90 days. The updates take effect on specific dates listed for each community, helping everyone stay safer and smarter about flood risks.