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Ka Wai A Kāne - Water, Our Most Precious Resource

The mission of the Department of Water Supply is to provide customers with an adequate and continuous supply of safe drinking water in a financially responsible manner.

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Pay Your Bill Online

Zip+4 and 10-digit account number, as printed on your bill, is required to pay bill using portal. Click here to pay.

Customer Service

We’re here to help with new accounts, billing inquiries, or if you need any additional assistance.

Water Emergencies

(808) 961-8790 – Call 24 hours a day, all districts. Broken mains, low water pressure, leaks.

DWS to inspect selected Kona customers’ water service laterals

By / June 5, 2024

The Department of Water Supply (DWS), County of Hawai‘i, will begin inspecting selected Kona customers’ water service laterals on Monday,...

DWS announces results of 6th Annual Keiki Water Conservation Poster Contest

By / May 30, 2024

May 30, 2024NEWS RELEASE FOR IMMEDIATE RELEASEWinners, Runners-Up Announced for Water Supply’s 6th Annual Keiki Water Conservation Poster ContestHAWAIʻI ISLAND...

DWS to inspect selected Ka’ū customers’ water service laterals

By / May 13, 2024

May 13, 2024NEWS RELEASEFOR IMMEDIATE RELEASEDepartment of Water Supply to Inspect Selected Ka‘ū Customers’ Water Service LateralsThe Department of Water...

There's only a limited supply of water on Earth, but the demand is increasing. Here's how you can do your part at home to conserve water, our most precious resource.