NHD / NHDPlus HR
National stream, waterbody and catchment network with flow attributes.
| Publisher | U.S. Geological Survey |
|---|---|
| Coverage | United States
Bounding box (EPSG:4326): -179.2, 17.8, -64.5, 71.4 |
| Licence | LicenseRef-Public-Domain
Publisher's wording: Public domain |
| Themes | us-federal-hydrography, open-data-sources |
| Update cadence | Not stated |
| Formats | Not stated |
| Status | active |
| Last verified | 2026-11-05 |
| Notes | USGS is replacing NHD with 3DHP as elevation-derived hydrography is collected; prefer 3DHP where it exists. |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
arcgis-rest | https://hydro.nationalmap.gov/arcgis/rest/services/NHDPlus_HR/MapServer | Not stated | none | Not stated |
arcgis-rest | https://hydro.nationalmap.gov/arcgis/rest/services/3DHP_all/MapServer | Not stated | none | 3D Hydrography Program (successor): flowlines, hydrolocations, waterbodies, catchments; elevation-derived hydrography replaces NHD where collected. Data refreshed 2026-09-04. |