ARCHIVE

Content on this page was created and archived before the ADA Title II mandate for WCAG 2.1 Level AA content and will not be updated.


To request special assistance to review or inspect an archived document, call (808) 748-5041, email a detailed request to contactus@hbws.org or submit a request for information form.

Water Management Plan Archive


Review Oʻahu water management plan documents and updates posted online by the Board of Water Supply and archived prior to January 1, 2026.


  • East Honolulu Plan

    The East Honolulu Watershed Management Plan was officially adopted by the Honolulu City Council and the Commission on Water Resource Management with the Department of Land and Natural Resources in October 2024.

    READ MORE > East Honolulu Plan

  • North Shore Plan

    The Honolulu Board of Water Supply (BWS) finalized the North Shore Watershed Management Plan in December 2016. 

    READ MORE > North Shore Plan

  • Koʻolau Poko Plan

    The Honolulu Board of Water Supply (BWS) completed the development of the district-wide Koʻolau Poko Watershed Management Plan (KPWMP) in September 2012.

    READ MORE > Koʻolau Poko Plan

  • Koʻolau Loa Plan

    The Honolulu Board of Water Supply (BWS) completed the development of the district-wide Koʻolau Loa Watershed Management Plan (KLWMP) in August 2009.

    READ MORE > Koʻolau Loa Plan

  • Waiʻanae Plan

    The Board of Water Supply (BWS) and Department of Planning and Permitting (DPP), City and County of Honolulu, have completed the Waianae Watershed Management Plan (WWMP), which will be used to meet the requirement of the State Water Code and City Ordinance to prepare a county water use and development plan.

    READ MORE > Waiʻanae Plan


Updated: 10/25/2024

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