Changes in Flood Hazard Determinations
Published Date: 1/29/2026
Notice
Summary
FEMA just updated flood risk maps for several communities, changing flood zones and water levels that affect flood insurance rules. If you live or own property in these areas, your flood insurance rates or requirements might change soon. These updates are final and already published, so check your local map or online to see how it impacts you and your wallet.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Finalized Flood Zone Changes
FEMA finalized changes to Base (1-percent annual chance) Flood Elevations, Special Flood Hazard Area boundaries, and regulatory floodways for the communities listed in the notice, with LOMRs finalized on dates between Oct. 14, 2025 and Nov. 17, 2025. If you live, lease, or own property in those listed communities in AZ, CA, CO, ID, SD, or UT, your flood insurance rates or whether you must carry flood insurance might change—check the FEMA Map Service Center or your community map repository for the final maps.
Community NFIP Requirement Update
FEMA states the new or modified flood hazard information is the basis for floodplain management measures that each listed community is required either to adopt or to show are already in effect in order to remain qualified for participation in the National Flood Insurance Program (NFIP). If your community adopts new or stricter floodplain requirements because of these LOMRs, local building rules or floodplain controls and related costs for property owners may change.
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Key Dates
Department and Agencies
Related Federal Register Documents
2026-17070, 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.
2026-17073, 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).
2026-17069, 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).
2026-17068, 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.
2026-17072, Changes in Flood Hazard Determinations
This notice lists communities where the addition or modification of Base Flood Elevations (BFEs), base flood depths, Special Flood Hazard Area (SFHA) boundaries or zone designations, or the regulatory floodway (hereinafter referred to as flood hazard determinations), as shown on the Flood Insurance Rate Maps (FIRMs), and where applicable, in the supporting Flood Insurance Study (FIS) reports, prepared by the Federal Emergency Management Agency (FEMA) for each community, is appropriate because of new scientific or technical data. The FIRM, and where applicable, portions of the FIS report, have been revised to reflect these flood hazard determinations through issuance of a Letter of Map Revision (LOMR), in accordance with Federal Regulations. The current effective community number is shown in the table below and must be used for all new policies and renewals.
2026-17074, 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).
Previous / Next Documents
Previous: 2026-01743, Changes in Flood Hazard Determinations
FEMA just updated flood risk maps for several communities, changing flood zones and water levels that affect flood insurance rules. If you live or own property in these areas, your flood insurance rates or requirements might change soon. These updates are final and already published, so check your local map or online to see how it impacts you and your wallet.
Next: 2026-01745, 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 local leaders should check the updated maps and act fast—there’s a 90-day window to appeal. If you live in one of these areas, your flood insurance policy might change soon, so stay informed and ready!