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2 datasets

  • Office of Planning and SustainabilityUpdated Oct 13, 2026

    Dams

    Regulated dams in Hawaii as of August 2026. Source: DLNR Engineering Branch, August 3, 2026. This data is continuously updated by the State of Hawaii Dam Safety Program at https://dams.hawaii.gov . It can also be found on the National…

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    • ArcGIS
    • OGC WFS
    • OGC WMS
    • CSV
    • ZIP
    • GeoJSON
    • KML
  • Office of Planning and SustainabilityUpdated Oct 13, 2026

    Watersheds

    Description: Surface Water Hyrdrologic Unit Boundaries (Watersheds) for the 8 major Hawaiian Islands. Source: GDSI, 1995, 1999; State of Hawaii Commission on Water Resource Management (CWRM), 2008. Updated, August 2022. Note: The Hawaii…

    • HTML
    • ArcGIS
    • OGC WFS
    • OGC WMS
    • CSV
    • ZIP
    • GeoJSON
    • KML
Prototype by Datopian · not an official government website · data from opendata.hawaii.gov