18 Jul 2025

🌊New Flood Hazard Determinations Affecting Businesses and Property Owners

Changes in Flood Hazard Determinations

Summary

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.

Agencies

  • Homeland Security Department
  • Federal Emergency Management Agency

Business Impact ?

$$$ - High

The regulation outlines new flood hazard determinations that affect property owners and businesses by requiring compliance with updated floodplain management measures to participate in the National Flood Insurance Program. This modification impacts insurance rates and property valuations significantly.

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