About this dataset
[Metadata] 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 Inventory of Dams (NID): https://nid.sec.usace.army.mil/#/. FOR THE MOST CURRENT INFORMATION, PLEASE VISIT THE dam safety website.
For attribute definitions, please see https://files.hawaii.gov/dbedt/op/gis/data/NID_Hawaii_DataDictionary_20231127.pdf.
For more information, please see metadata at https://files.hawaii.gov/dbedt/op/gis/data/dams_nid.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.
Data and resources
- HTML
ArcGIS Hub Dataset
Updated Mar 13, 2025
- ArcGIS
ArcGIS GeoService
Updated Oct 13, 2026
- OGC WFS
OGC WFS
Updated Mar 13, 2025
- OGC WMS
OGC WMS
Updated Mar 13, 2025
- CSV
CSV
Updated Oct 13, 2026Table and Data API available
- ZIP
Shapefile
Updated Mar 13, 2025
- GeoJSON
GeoJSON
Updated Mar 13, 2025
- KML
KML
Updated Mar 13, 2025
- File
Unnamed resource
Updated Oct 13, 2026
- File
Metadata for Dams in Hawaii
Metadata for Dams in Hawaii
Updated Apr 13, 2026