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6 datasets for “subwatershed”

  1. Data.gov Catalog

    10-digit HU (Watershed)

    State of OregonUpdated 1 May 2024

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U …

    • CSV
    • VND.GEO+JSON
    • VND.GOOGLE-EARTH.KML+XML
    • ZIP
    • HTML
    • JSON
  2. Data.gov Catalog

    4-digit HU (Subregion)

    State of OregonUpdated 1 May 2024

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U …

    • CSV
    • VND.GEO+JSON
    • VND.GOOGLE-EARTH.KML+XML
    • ZIP
    • HTML
    • JSON
  3. Data.gov Catalog

    16-digit HU

    State of OregonUpdated 1 May 2024

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U …

    • CSV
    • VND.GEO+JSON
    • VND.GOOGLE-EARTH.KML+XML
    • ZIP
    • HTML
    • JSON
  4. Open Government Canada

    Project Returns for Riparian Area Assessment of Red Deer River Watershed

    Government of Alberta | Gouvernement de l'AlbertaUpdated 4 Mar 2026

    … These seven subwatersheds cover an area of ~22,904 km2 and are located in central Alberta, roughly between …

    • HTML
    • XML
    • ZIP
  5. Data.gov Catalog

    Forests to Faucets 2.0

    U.S. Forest ServiceUpdated 31 Oct 2024

    … The project assesses subwatersheds across the US to identify those important to downstream surface drinking water supplies as …

    • ARCGIS GEOSERVICES REST API
    • CSV
    • GEOJSON
    • KML
    • ZIP
    • WEB PAGE
    • +1
  6. Data.gov Catalog

    EnviroAtlas - Atmospheric Nitrogen and Sulfur Deposition by 12-digit HUC for the Conterminous United States (2017)

    U.S. EPA Office of Research and Development (ORD) - Center for Public Health and Environmental Assessment (CPHEA)Updated 23 Jul 2025

    This EnviroAtlas dataset includes annual nitrogen and sulfur deposition within each 12-digit HUC subwatershed for the year …

    • ZIP
    • HTML
“subwatershed” datasets · Open Data Finder