Data Catalog

• Federal

  EnviroAtlas - HU12_polygon

  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

  Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds

  Department of the Interior —

  This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be...

  • XML
  • XML
• State

  8 Digit Hydrologic Unit 2006 (polygon)

  State of Arkansas —

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

  • Esri REST
  • HTML
• University

  New Mexico 6th Code Subwatersheds (12-digit)

  Earth Data Analysis Center, University of New Mexico —

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

  • ZIP
  • XML
  • HTML
  • XML
  • HTML
• State

  12 Digit Hydrologic Unit 2006 (polygon)

  State of Arkansas —

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

  • Esri REST
  • HTML

You can also access this registry using the API (see API Docs).

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