NEWS & EVENTS
All Events Calendar > Special Events
To increase awareness of our island's fresh water and the importance of conservation for sustainable resource management, the BWS periodically hosts special events and contests for our island communities.
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Imagine A Day Without Water
The Board of Water Supply hosts an annual Imagine a Day Without Water event showcasing city, state, and community booths offering hands-on activities, including a rain barrel display, Xeriscape crafts, and succulent workshops.
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Annual Unthirsty Plant Sale
Unless otherwise announced, the Honolulu Board of Water Supply hosts its Annual Unthirsty Plant Sale at its Hālawa Xeriscape Garden, at 99-1268 ʻIwaena Street in Hālawa Valley’s Central Park industrial area on the first Saturday in August. Admission is free. Park on ʻIwaena Street and catch a free shuttle to the garden.
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Water Conservation Week
Learn about the annual BWS Water Conservation Week Poster & Poetry contests and events. These events promote awareness of our island's limited drinking water supply and encourage Oʻahu's youth to become more water-efficient.
Updated: 01/28/2026