Search results for NHD
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53 datasets for “NHD”
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County Boundaries - Detailed
opendata.maryland.govUpdated 22 Jul 2025
… The Maryland land county boundaries were built using political county boundaries and the National Hydrology Data (NHD). Land …
- CSV
- JSON
- SODA API
- Socrata networkLive preview
Swamp
United States Geological Survey (USGS) National Hydrography Dataset (NHD)Updated 7 May 2026
Polygon geometry with attributes displaying swamps and marshes in East Baton Rouge Parish, Louisiana.
- CSV
- JSON
- SODA API
- Opendatasoft hubLive preview
Artificialisation du trait de côte 2020 NHDF
Réseau d'Observation du Littoral de Normandie et des Hauts-de-FranceUpdated 22 Jun 2024
Lien vers la fiche source TC naturel et artificiel en Normandie Hauts-de-France sur base du TC …
- CSV
- JSON
- GEOJSON
- ODS API
- Socrata networkLive preview
Rivers Streams and Ditches
opendata.maryland.govUpdated 22 Jul 2025
This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated …
- CSV
- JSON
- SODA API
- Socrata networkLive preview
Large Rivers Lakes and Ponds
opendata.maryland.govUpdated 22 Jul 2025
This layer is extracted from The High Resolution National Hydrography Dataset Plus (NHDPlus HR). This is an integrated …
- CSV
- JSON
- SODA API
- Data.gov Catalog
Watershed Boundary Dataset (WBD) (2 through 12-digit hydrologic unit)
State of OregonUpdated 1 May 2024
… Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agriculture (USDA) National Resources Conservation Service …
- HTML
- JSON
- Data.gov Catalog
10-digit HU (Watershed)
State of OregonUpdated 1 May 2024
… Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agriculture (USDA) National Resources Conservation Service …
- CSV
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- ZIP
- HTML
- JSON
- Data.gov Catalog
4-digit HU (Subregion)
State of OregonUpdated 1 May 2024
… Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agriculture (USDA) National Resources Conservation Service …
- CSV
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- ZIP
- HTML
- JSON
- Data.gov Catalog
16-digit HU
State of OregonUpdated 1 May 2024
… Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agriculture (USDA) National Resources Conservation Service …
- CSV
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- ZIP
- HTML
- JSON
- Socrata networkLive preview
County Boundaries - Detailed
opendata.maryland.govUpdated 22 Jul 2025
… The Maryland land county boundaries were built using political county boundaries and the National Hydrology Data (NHD). Land …
- CSV
- JSON
- SODA API
- Data.gov Catalog
Flowline
State of OregonUpdated 27 Mar 2025
… As further EDH data is collected, the EDH data will replace the NHD data in that data collection …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
HydroLocation - Sink, Spring, Waterbody Outlet
State of OregonUpdated 27 Mar 2025
… As further EDH data is collected, the EDH data will replace the NHD data in that data collection …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Socrata networkLive preview
Potholes
internal.open.piercecountywa.govUpdated 20 Sept 2026
… Drainage areas intersect connected stream centerlines Drainage areas intersect unconnected stream centerlines Drainage areas intersect connected NHD plus …
- CSV
- JSON
- SODA API
- Data.gov Catalog
Spring Chinook
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Bull Trout
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Brook Trout
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Blue Chub
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Walleye
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Striped Bass
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Tui Chub
State of OregonUpdated 25 Jul 2025
… The data are now managed on the National Hydrography Dataset and have been synchronized to December 2021 NHD …
- CSV
- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON