Watershed Boundary Dataset (WBD)
Nested hydrologic unit (HUC2–HUC12) watershed boundaries.
| 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 | Not stated |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
http | https://www.usgs.gov/national-hydrography/watershed-boundary-dataset | Not stated | none | Not stated |
arcgis-rest | https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer | Not stated | none | Hydrologic units to 12 digits. No longer updated since USGS moved to 3DHP in 2024; kept for reference. |
http | https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts%2FHydrography%2FWBD%2F | Not stated | none | Staged WBD downloads by HU2 and national. |