Links to Data Products and Map Services
The NHDPlus High Resolution (NHDPlus HR), National Hydrography Dataset (NHD), and Watershed Boundary Dataset (WBD) are available for download and as map services. All NHDPlus HR downloads contain a copy of the NHD and WBD datasets used to create the the NHDPlus HR. The copies are current only to the date the NHDPlus HR was created. All NHD downloads contain a copy of the corresponding WBD dataset that is current only to the date the NHD dataset was created.
Department of the Interior (DOI) users may experience faster download times when using the “DOI users” link.
The National Map Download Viewer
The National Map Download viewer provides an online mapping tool for downloading the NHDPlus HR, NHD and WBD as a shapefile or file geodatabase by Hydrologic Unit (HU), including Subregion (HU4) or Subbasin (HU8), by state, or nationally. A Download Manager application also is available for conveniently managing downloads of multiple datasets.
NHDPlus High Resolution (NHDPlus HR) Direct Download Links
Please note: The NHDPlus High Resolution is being released for download in Beta version (NHDPlus HR Beta) by Subregion (HU4) as it is built. Please see the NHDPlus High Resolution (NHDPlus HR) page for more information about this building process, to find out the current availability by Hydrologic Region, and to learn about participating in reviews of the Beta version data.
The NHDPlus HR data includes both vector and raster components for each geographic area mapped. NHDPlus HR Beta vector data is available in file geodatabase (GDB) format, zipped (.zip) to reduce the file size. NHDPlus HR raster data files are available for download as zipped (.7z) files.
National Hydrography Dataset (NHD) Direct Download Links
The NHD High Resolution can be directly downloaded in shapefile or file geodatabase (GDB) format by Hydrologic Unit (HU), state, or the entire nation. Also, an extract containing only streamgages and dams is available.
Watershed Boundary Dataset (WBD) Direct Download Links
The WBD can be directly downloaded in shapefile or file geodatabase format by Hydrologic Unit - Region (HU2) - or as a file geodatabase for the entire nation.
Hydrography web-based map services are available from The National Map Service Endpoints page as cached and dynamic services.
*On occasion, maintenance will be performed on these map services causing limited access. Contact firstname.lastname@example.org if you encounter service-related issues or need assistance with these services.*
Which service should I use?
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