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Safe Drinking Water Branch
Underground Injection Control (UIC) Program

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The Underground Injection Control (UIC) program serves to protect the quality of Hawaii's underground sources of drinking water from chemical, physical, radioactive, and biological contamination that could originate from injection well activity.

UIC Maps

Underground Injection Wells are wells used for injecting water or other fluids into a groundwater aquifer. Department of Health Administrative Rules, Title 11, Chapter 23 provides conditions governing the location, construction, and operation of injection wells so that injected fluids do not migrate and pollute underground sources of drinking water. Section 4 of the Rules gives the criteria for classifying aquifers into those that are designated as underground sources of drinking water and those that are not.

The boundary between non-drinking water aquifers and underground sources of drinking water is generally referred to as the "UIC Line". Restrictions on injection wells differ, depending on whether the area is inland (mauka) or seaward (makai) of the UIC line.

The UIC Maps show the areas inland and seaward of the UIC line on all major islands. These maps are meant for general informational purposes only.
The Department holds the official UIC maps containing detailed information about the UIC Line. For more information, contact the Safe Drinking Water Branch's UIC Program.

Oahu UIC Map of Oahu (372 kb)  Lanai UIC Map of Lanai (81 kb)
      
Maui UIC Map of Maui (305 kb)  Kauai UIC Map of Kauai (196 kb)
     
Molokai UIC Map of Molokai (160 kb)  Hawaii UIC Map of Hawaii (191 kb)

UIC Application Forms and Instructions

  • New Submit UIC On-line Application.

    • Contact Us

    Phone:(808) 586-4258
    From Hawaii (toll free):974-4000, ext. 64258
    From Kauai (toll free):274-3141, ext. 64258
    From Maui (toll free):984-2400, ext. 64258
    From Molokai and Lanai (toll free):(800) 468-4644, ext. 64258
    Fax:(808) 586-4351
    E-mail: sdwb@doh.hawaii.gov
     
    Oahu
    Safe Drinking Water Branch
    Environmental Management Division
    Hawaii State Department of Health
    919 Ala Moana Blvd., Room 308
    Honolulu, HI 96814-4920

    East Hawaii
    Safe Drinking Water Branch - Hilo
    Hawaii District Health Office - Hilo
    1582 Kamehameha Avenue
    Hilo, Hawaii 96720
    Phone: (808) 933-0407
    Fax: (808) 933-0400

    Last Update: 11 January 2013

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    Hawaii State Department of Health · 1250 Punchbowl Street · Honolulu, HI 96813