08/28/2025
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Due to existing and projected water shortages, the County of Maui Department of Water Supply (DWS) will introduce backup supply to the Upcountry water system that serves Upper and Lower Kula, Makawao, Pukalani, Hāliʻimaile and Haʻikū on or around Sept. 5, 2025.
DWS water from its Hamakuapoko Wells 1 and 2 will be used in the Upcountry water system. Maui County Code requires scheduled water quality sampling for the well water and that results comply with state Department of Health regulations and U.S. Environmental Protection Agency standards.
The lack of adequate surface water flow into Piʻiholo reservoir, drier than average temperatures and inadequate forecasted rainfall led to the decision to utilize the wells, DWS said. The Upcountry water system is heavily dependent on surface water.
The department will continue to monitor conditions and utilize the backup source as long as warranted.
U.S. Drought Monitor shows the majority of Maui island under moderate and severe drought. National Weather Service predicts below normal precipitation next month for all Hawaiʻi islands.
For general DWS questions, visit https://www.mauicounty.gov/126/Department-of-Water-Supply. For health questions, call the Maui District Office of the state Department of Health at (808) 984-8200.
