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  • Office of Planning and SustainabilityUpdated Oct 13, 2026

    Wastewater Treatment Plants

    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…

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    • ArcGIS
    • OGC WFS
    • OGC WMS
    • CSV
    • ZIP
    • GeoJSON
    • KML
  • HealthUpdated Jan 10, 2020

    Table 12: Wastewater Treatment Plant Operations & Compliance

    DOH Environmental Indicators

    • CSV
    • RDF
    • JSON
    • XML
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