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Search every dataset published on Hawaiʻi’s open data portal.
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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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- Office of Planning and SustainabilityUpdated Oct 13, 2026
Watersheds (DAR Version)
Watersheds - Surface water hydrologic unit boundaries for hydrologic water catchment for the main Hawaiian Islands (excluding Kahoolawe) – DAR’s Version. Source: State of Hawaii, Department of Land and Natural Resources, Division of…
- HTML
- ArcGIS
- OGC WFS
- OGC WMS
- CSV
- ZIP
- GeoJSON
- KML