Environment
FEMA Flood Hazard (NFHL) — Alaska
FEMA National Flood Hazard Layer. Flood zones, base flood elevations, and floodways for Alaska.
Why this data matters
- Flood zones affect construction, insurance requirements, and permitting.
- Spring breakup flooding is a major hazard across interior Alaska.
- Important for siting any permanent structure.
Data source
| Field | Value |
|---|---|
| Agency | FEMA |
| Coverage | Alaska |
Related layers
GIS Endpoints
REST (ArcGIS)
https://hazards.fema.gov/arcgis/rest/services/public/NFHL/MapServer
QGIS: Layer → Add Layer → Add WMS/WFS Layer → paste URL. ArcGIS: Add Data → Data from Path.
View this layer in the TrueTopo map
Open app.truetopo.com →