Wai‘anae Aquifer Sector Area

Water Management Area Designation: Wai‘anae Aquifer Sector Area


On June 7, 2025, the Honolulu Board of Water Supply filed a petition to designate the Waiʻanae Aquifer Sector Area (ASA), Oʻahu, as a Ground Water Management Area under Section 174C-41, and the Commission has accepted the petition.  The proposed Waiʻanae ASA Ground Water Management Areas include the Nānakuli (30301), Lualualei (30302), Waiʻanae (30303), Mākaha (30304), and Keaʻau (30305) ground water hydrologic units.


Ground Water Hydrologic Unit Mapper


Hearing / Meeting Schedule

Date
Hearing Information
  No meetings or hearings pending.

Information Updates

Date
Action
May 20, 2025

The Commission accepted the Chairperson’s Recommendation on the Honolulu Board of Water Supply Petition for the Designation of the Wai‘anae Aquifer Sector as a Ground Water Management Area