USGS 3D Hydrography Program (3DHP)
Next-generation elevation-derived hydrography replacing NHD and NHDPlus HR.
| 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 | Successor to NHD |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
http | https://www.usgs.gov/3d-hydrography-program | Not stated | none | Not stated |
arcgis-rest | https://hydro.nationalmap.gov/arcgis/rest/services/3DHP_all/MapServer | Not stated | none | 3DHP web services, updated quarterly (last July 2026). |
download | https://www.sciencebase.gov/catalog/item/6930876ed4be027594fed169 | Not stated | none | 3DHP downloadable data, 2025 annual product. |