gSSURGO / gNATSGO
Gridded state and national SSURGO-based soils in file geodatabase form.
| Publisher | USDA Natural Resources Conservation Service |
|---|---|
| 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-usda, open-data-sources |
| Update cadence | Not stated |
| Formats | Not stated |
| Status | active |
| Last verified | 2026-11-05 |
| Notes | Soil Data Access serves SSURGO; gSSURGO and gNATSGO are the gridded file geodatabase downloads of the same survey (download page still to add). |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
api | https://SDMDataAccess.sc.egov.usda.gov/Tabular/post.rest | Not stated | none | Soil Data Access (SSURGO) query service, POST only, up to 100,000 rows; documented at https://sdmdataaccess.sc.egov.usda.gov/webservicehelp.aspx |
ogc-wfs | https://SDMDataAccess.sc.egov.usda.gov/Spatial/SDMWGS84Geographic.wfs | Not stated | none | SSURGO map units (also NAD83 and Web Mercator versions); up to 250,000 features per request. |