Another area removed from Unsafe Water Advisory for Upper Kula on Maui

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The Maui County Department of Water Supply on Friday removed Area UK-3 from the Unsafe Water Advisory for Upper Kula. 

Water serving buildings and homes in Area UK-3 now is declared safe for unrestricted use.

Community members can search an address using the interactive Water Advisory Map to confirm if their address is outside or within the advisory area.

Water may have stagnated in the premise plumbing of homes and buildings within Upper Kula Area UK-3 while the advisory was in effect. The water department recommends customers flush their lines to remove any standing water in plumbing and pipes due to non-use and replace it with fresh water. Lines may be flushed by opening valves and letting the faucets run for at least 10 minutes.


Areas UK-2B and UK-5 of Upper Kula and much of the fire-impacted area in Lahaina remain under the Unsafe Water Advisory until further notice.

Customers within the advisory area should continue to not drink or boil their tap water. Boiling, freezing, filtering, adding chlorine or other disinfectants or letting water stand will not make the water safe. Bottled water or potable water provided by the County of Maui must be used for drinking (including making baby formula and juice), brushing teeth, making ice and food preparation.

Customers in the advisory area are also advised to limit water use for hygiene purposes such as showers. Failure to follow the advisory could result in illness.


The Unsafe Water Advisory was issued on Aug. 11 as a precautionary measure due to the unknown impacts of the August 2023 Maui wildfires on the drinking water system in the area. In Upper Kula and Lahaina, structures in the water system in both areas were destroyed by the fire, and some areas in the system experienced water pressure loss. These conditions may have caused harmful contaminants to enter the water system.

The Department of Water Supply has been working closely with the Hawai`i Department of Health and U.S. Environmental Protection Agency to complete its volatile organic compounds investigation, isolate the system from fire-damaged structures to ensure minimal potential from any contamination, and conduct ongoing water quality sampling and testing at key points throughout the system.

The decision to remove Area UK-3 from the Unsafe Water Advisory was based on multiple lines of evidence collected through this process, which supported the determination that fire-related contaminants did not impact that area.


For more information about the Unsafe Water Advisory, the Department of Water Supply’s VOC investigation, as well as answers to frequently asked questions, click here.


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