Data Catalog

• Federal

  National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA    recent views

  Department of the Interior —

  The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's...

  • XML
  • XML
• Federal

  Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA    recent views

  Department of the Interior —

  The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and...

  • XML
  • XML
• Federal

  EnviroAtlas - HU12_polygon    recent views

  U.S. Environmental Protection Agency —

  This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of...

  • HTML
  • HTML
  • HTML
  • HTML
• Federal

  USGS Watershed Boundary Dataset (WBD) Stewardship Plan Objectives for FY20 from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA    recent views

  U.S. Geological Survey, Department of the Interior —

  U.S. Geological Survey, Department of the Interior - The annual Watershed Boundary Dataset (WBD) stewardship plan is to maintain watershed boundary data through usage...

  • HTML
  • HTML

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