Search results for NHD
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228 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
- Data.gov Catalog
Lake property datasets based on medium-resolution NHD for calculating lake recovery times.
U.S. EPA Office of Research and Development (ORD)Updated 3 Sept 2021
… One file contains flow information based on NHD, and one based on SPARROW model results.
- VND.MS-EXCEL
- Data.gov Catalog
National Hydrography Dataset (NHD)
U.S. Geological SurveyUpdated 17 Nov 2020
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments …
- XML
- 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
- Data.gov Catalog
Attributes for NHDPlus Catchments (Version 1.1) in the Conterminous United States: Bedrock Geology
U.S. Geological SurveyUpdated 17 Nov 2020
… The NHDPlus includes a stream network (based on the 1:100,00-scale NHD), improved networking, naming, and …
- XML
- Data.gov Catalog
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
U.S. Geological SurveyUpdated 13 Sept 2023
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments …
- XML
- Data.gov Catalog
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Base-Flow Index
U.S. Geological SurveyUpdated 17 Nov 2020
… The NHDPlus includes a stream network (based on the 1:100,00-scale NHD), improved networking, naming, and …
- XML
- 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
- Data.gov Catalog
Attributes for NHDplus Catchments (Version 1.1) for the Conterminous United States: Population Density, 2000
U.S. Geological SurveyUpdated 17 Nov 2020
… The NHDPlus includes a stream network (based on the 1:100,00-scale NHD), improved networking, naming, and …
- XML
- Data.gov Catalog
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection AgencyUpdated 1 Jan 2012
… This widespread positive response prompted the multi-agency NHDPlus team to develop NHDPlus Version 2 (NHDPlusV2). The NHDPlusV2 …
- HTML
- California Open Data
National Hydrography Dataset (NHD) Archive
California Department of Water ResourcesUpdated 11 Nov 2026
… previous versions of the statewide National Hydrography Dataset (NHD) which includes the Watershed Boundary Dataset (WBD) released by …
- ZIP
- TXT
- FILE GEODATABASE
- Data.gov Catalog
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
U.S. Geological SurveyUpdated 13 Sept 2023
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including …
- XML
- Data.gov Catalog
USGS Streamgage NHDPlus Version 1 Basins 2011
U.S. Geological SurveyUpdated 17 Nov 2020
… The delineated watersheds were made from digital elevation models found in the NHDPlus data suite (version 1, 2006 …
- XML
- 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 …
- XML
- CSV
- XLSX
- TXT
- ZIP
- GEOJSON
- +4
- 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 …
- HTML
- ARCGIS GEOSERVICES REST 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
- 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
gridMET Climate data, 1980-2023
U.S. Geological SurveyUpdated 14 Nov 2024
… This dataset can be linked to the NHDPlusV2 by the unique identifier COMID. Reach catchment information characterizes data …
- XML
- Data.gov Catalog
National Hydrography Dataset High Resolution flowlines with name of the nearest downstream named feature for unnamed streams in and around Montana
U.S. Geological SurveyUpdated 31 Aug 2020
The National Hydrography Dataset (NHD) High Resolution flowlines were used as a base to provide additional information on …
- XML