FEMA flood map notices

Flood map changes in Gaston County, North Carolina

FEMA has published 8 flood hazard notices covering Gaston County, North Carolina since November 2023. The most recent, map revision flood hazard determinations, was published Sep 10, 2026.

Notices for Gaston County

Sep 10, 2026Map revisionChanges in Flood Hazard DeterminationsAlso covers 26 other counties
Sep 10, 2026Map revisionChanges in Flood Hazard DeterminationsAlso covers 34 other counties
May 19, 2026ProposedProposed Flood Hazard Determinations for Gaston County, North Carolina, and Incorporated Areas
Oct 2, 2025ProposedProposed Flood Hazard DeterminationsAlso covers 10 other counties · Appeal period closed Dec 31, 2025
Feb 24, 2025Map revisionChanges in Flood Hazard DeterminationsAlso covers 27 other counties
Jun 24, 2024Map revisionChanges in Flood Hazard DeterminationsAlso covers 27 other counties
Apr 18, 2024Map revisionChanges in Flood Hazard DeterminationsAlso covers 24 other counties
Feb 15, 2024Map revisionChanges in Flood Hazard DeterminationsAlso covers 19 other counties

Also covered by these notices

FEMA often studies whole watersheds, so one notice can span several counties.

What these notices mean

Proposed: FEMA has new draft flood maps. This starts a 90-day window when owners can appeal with technical data. It's the best time to act.
Final: Appeals are resolved. The new maps usually take effect about six months later, when lenders start applying the new zones.
Map revision: A Letter of Map Revision changes one stretch of the map, often after a levee, channel project or new survey.

Notices are organized by county and community, so a notice for your county doesn't mean your property is changing zones. What flood zones mean