Search results for National Hydrography Dataset
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77 datasets for “National Hydrography Dataset”
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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.
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- SODA API
- California Open Data
National Hydrography Data - NHD and 3DHP
California Department of Water ResourcesUpdated 11 Nov 2026
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set …
- WEBSITE
- ARCGIS GEOSERVICES REST API
- ZIP
- CSV
- Data.gov Catalog
BLM OR Hydrography Area Polygon Hub
Bureau of Land ManagementUpdated 5 Nov 2026
… This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD …
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- TXT
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- GEOJSON
- +4
- Data.gov Catalog
Flowline
State of OregonUpdated 27 Mar 2025
… Where EDH has not been collected, 3DHP data will be supplemented by data from the National Hydrography Dataset …
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- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- HTML
- JSON
- Data.gov Catalog
Pacific Island Network Streams Monitoring Dataset 2009 - 2023
National Park ServiceUpdated 7 Apr 2025
… The National Parks in the Pacific Island Network (PACN) protect some of the last relatively pristine stream systems …
- CSV
- XML
- Data.gov Catalog
HydroLocation - Sink, Spring, Waterbody Outlet
State of OregonUpdated 27 Mar 2025
… Where EDH has not been collected, 3DHP data will be supplemented by data from the National Hydrography Dataset …
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- ZIP
- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
- 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
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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
- 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
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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
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
- California Open Data
Refuge Conveyance Waterways - Central Valley Project Improvement Act [ds2635]
California Department of Fish and WildlifeUpdated 11 Nov 2026
… section 3406(d) of the CVPIA. - The National Hydrography Dataset (NHD) is a feature-based database that interconnects …
- HTML
- ARCGIS GEOSERVICES REST API
- CSV
- ZIP
- GEOJSON
- KML
- California Open Data
Protected Spawning Areas - Fish and Game Code 1505 [ds647]
California Department of Fish and WildlifeUpdated 11 Nov 2026
… as stream events on CalHydro 100k hydrography, a CalFish developed derivitave of the National Hydrography Medium Resolution Dataset.
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- ARCGIS GEOSERVICES REST API
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- ZIP
- GEOJSON
- KML
- Data.gov Catalog
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States
U.S. EPA Office of Research and Development (ORD)Updated 15 Nov 2023
… lake depth data from LAGOS and the National Hydrography Dataset (NHD). Prediction data of total nitrogen, total phosphorus …
- CSV
- VND.OPENXMLFORMATS-OFFICEDOCUMENT.SPREADSHEETML.SHEET
- 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
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- 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
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- 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
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- 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 …
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- VND.GEO+JSON
- VND.GOOGLE-EARTH.KML+XML
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- 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