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Water Resources and Watershed Management Initiatives

Check this page for updates regarding key watershed-related initiatives by the Board of Water Supply.


Nov 01, 2022

Water Shortage Response and Recovery Plan

The Water Shortage Response and Recovery Plan Draft will provide the Honolulu Board of Water Supply with strategic and tactical steps to assess the need to declare a water shortage and manage water demands related to a water shortage condition.

Oct 21, 2022

Stakeholder Advisory Group

Created in April 2015, the Stakeholder Advisory Group for the Board of Water Supply provides important community feedback on the BWS Water Master Plan, proposed rate study and other important initiatives. The Stakeholder Advisory Group currently meets quarterly. Meetings are open to the public. Meeting schedule and materials are posted online.

Aug 02, 2022

Watershed Studies

Get more information about watershed studies conducted by the Board of Water Supply.

Aug 02, 2022

Watershed Partnerships & Studies

One of the ways the BWS is protecting Oahu's watershed areas is by entering into partnerships with local and federal agencies, private landowners, schools, and community groups that protect and enhance our watersheds through resource management. Watershed partnerships come in all shapes and forms ranging from studies to Memorandum of Understandings (MOU) to actual on the ground projects.

Jan 19, 2022

Protecting Wai for Wai‘anae

Learn more about the Board of Water Supply's effort to request that the State Commission on Water Resource Management designate the Wai‘anae Aquifer Sector Area as a Ground Water Management Area equal to the same level as the rest of Oahu aquifers.

May 04, 2021

Seawater Desalination

The Board of Water Supply is preparing to issue a Request for Proposals for design-build-operate-maintain services for the Kalaeloa Seawater Desalination Facility Project, a seawater reverse osmosis desalination water treatment plant with a capacity of 1.7 MGD, expandable to 5 MGD. The purpose of the project is to design, pilot test, permit, construct, start-up, test, and subsequently operate and maintain the project for a term of 20 years.

Mar 31, 2021

Water Master Plan

Learn more about the Water Master Plan, a comprehensive 30-year program that evaluates the entire water system, identifies necessary improvements and balances needs and costs to provide safe, dependable and affordable water, as well as other long-term plans for the Board of Water Supply.

Mar 17, 2021

Water Recycling

Recycled water helps meet our island's water needs. The Board of Water Supply is working to maximize our precious water resources and ensure that Oahu's residents have the water resources they need through its Water Recycling Program. Prior to the program, treated wastewater was disposed of into the ocean. Also, learn more about the Honouliuli Water Recycling Facility in Ewa.