Environment
National Hydrography (NHD) — Alaska
USGS National Hydrography Dataset — rivers, streams, lakes. Surface water bodies for Alaska.
Why this data matters
- Hydrology affects access, permitting (e.g. anadromous), and terrain context.
- NHD is the national standard for surface water features.
Data source
| Field | Value |
|---|---|
| Agency | U.S. Geological Survey |
| Coverage | National (Alaska included) |
| Zoom | 9+ |
Related
GIS Endpoints
REST (ArcGIS)
https://hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer
QGIS: Layer → Add Layer → Add WMS/WFS Layer → paste URL. ArcGIS: Add Data → Data from Path.
View this layer in the TrueTopo map
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