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To request special assistance to review or inspect an archived document, call (808) 748-5041, email a detailed request to contactus@hbws.org or submit a request for information form.
Watershed Management Plan Archive
Review Oʻahu watershed management plan documents and updates posted online by the Board of Water Supply and archived prior to January 1, 2026.
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East Honolulu Plan
Watershed Management Plan Archive: 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.
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Central Oʻahu Plan
Watershed Management Plan: The Honolulu Board of Water Supply is currently developing the district-wide Central Oʻahu Watershed Management Plan (COWMP).
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Primary Urban Center Plan
Watershed Management Plan: The Honolulu Board of Water Supply (BWS) is developing the Primary Urban Center Watershed Management Plan (PUC WMP), which will be part of the City Water Use and Development Plan under the State of Hawaiʻi Water Code and City and County of Honolulu ordinance.
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ʻEwa Plan
Watershed Management Plan: The Board of Water Supply (BWS) and Department of Planning and Permitting (DPP), City and County of Honolulu are currently developing the ʻEwa Watershed Management Plan (EWMP), 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.
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North Shore Plan
Watershed Management Plan Archive: The Honolulu Board of Water Supply (BWS) finalized the North Shore Watershed Management Plan in December 2016.
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Koʻolau Poko Plan
Watershed Management Plan Archive: The Honolulu Board of Water Supply (BWS) completed the development of the district-wide Koʻolau Poko Watershed Management Plan (KPWMP) in September 2012.
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Koʻolau Loa Plan
Watershed Management Plan Archive: The Honolulu Board of Water Supply (BWS) completed the development of the district-wide Koʻolau Loa Watershed Management Plan (KLWMP) in August 2009.
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Waiʻanae Plan
Watershed Management Plan Archive: 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.
Updated: 10/25/2024