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<March 2026>
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World Water Day (March 22, 2024)
Every year on March 22, the Board of Water Supply, and partners around the globe celebrate World Water Day.
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Prince Jonah Kuhio Kalanianaole Day Holiday
Board of Water Supply offices will be closed on Wednesday, March 26, 2025 in observance of Prince Jonah Kuhio Kalanianaole Day. To report a water service issue, please call 748-5000, ext. 1 (available 24/7).
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Waiʻanae Watershed Management Plan Update (March 31, 2026)
Join the Board of Water Supply on Wednesday, March 31, 2026 from 6:00 p.m. to 8:00 p.m. for a community meeting to share information about the Waiʻanae district's Watershed Management Plan.
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2026 Groundwater Status Reports

Water Resources

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