Board of Water Supply or other community events throughout the year promoting water conservation.

BWS Public Meeting Schedule:

  • Smart Irrigation Month (July 2022)

    The Board of Water Supply reminds water users that July is Smart Irrigation Month, which is the time when outdoor water use typically increases. Find out the benefits of using smart irrigation devices and practices. Let's all work together to make every drop count! 


  • Imagine A Day Without Water (Oct 19, 2022)

    Join the Board of Water Supply and our state and city agency partners to encourage Oahu water users to Imagine A Day Without Water on Wednesday, October 21. This one-day nationwide campaign focuses on the importance of freshwater and the need to invest in water infrastructure. Make sure to check our social media pages for informative graphics and short videos about the value of water. Also, on October 21, join us for our "One Water Forum" and win prizes by participating in our "One Water" contest on Instagram. What would your day be like without water?


  • Ka Wai Wednesdays (Feb 8 & 15, 2023)

    Join us on Instagram (@BWSHonolulu) for Ka Wai Wednesdays. A contest designed to test your knowledge  about water conservation.


  • World Water Day (March 22, 2023)

    Every year on March 22, the Board of Water Supply, the City and County of Honolulu's Department of Environmental Services, Facility Maintenance, and government agencies, businesses, and partners around the globe celebrate World Water Day.


  • Detect-A-Leak Week (April 16-22, 2023)

    The Board of Water Supply (BWS) has teamed up with Hardware Hawaii for the annual Detect-A-Leak Week campaign (April 16-22). Stop by and join us at our live, in-person event on Wednesday, April 19, from 11 AM to 1 PM, at Tamarind Park (Bishop Square).


  • Annual Unthirsty Plant Sale (Aug 5, 2023)

    The Board of Water Supply (BWS) will host the 2023 Annual Halawa Xeriscape Garden Open House and Unthirsty Plant Sale on Saturday, August 5, 2023, from 9 a.m. to 3 p.m.