WATER RESOURCES
Water Planning
Check this page for updates regarding key water planning initiatives by the Board of Water Supply.
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Watershed Management Plan
BWS is developing district-wide watershed management plans, which will be used to meet the requirements of preparing a county water use and development plan under the State of Hawaiʻi Water Code and City and County of Honolulu ordinance.
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Water Master Plan
Learn more about our Water Master Plan, a comprehensive 30-year program that evaluates Oʻahu's municipal water system, identifies necessary improvements and balances needs and costs to provide safe, dependable and affordable water, as well as other long-term BWS plans.
Calendar | BWS Initiatives | Data & Statistics | Oʻahu's Water History | Water Planning
Updated: 02/27/2025