[Metadata] Inventory and location of public and private wastewater treatment plants (WWTP) in the State of Hawaii. Hawaii Administrative Rules, Chapter 11-62 outlines the rules that govern these wastewater systems in the state of Hawaii. Data is current as of January, 2023 and is provided as a courtesy to government agencies and the public. Data updates will be provided as time and staffing permits; no assurances are made that data will be maintained or updated on a regular basis. For more information, please refer to metadata at https://files.hawaii.gov/dbedt/op/gis/data/WWTP.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: [email protected]; Website: https://planning.hawaii.gov/gis.