Department of Water Supply – Ka Wai A Kāne – Water, Our Most Precious Resource

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 Notices Map

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

DWS Water Preparedness for storms

By / March 20, 2026

Drinking Water PreparednessThe Department of Water Supply (DWS), County of Hawai‘i, urges its customers and the community to be drinking...

Entry deadline extended for Keiki Water Conservation Poster Contest

By / March 17, 2026

Water Supply Extends Entry Deadline for Keiki Water Conservation Poster Contest to April 30HILO, HAWAI‘I – The Department of Water...

DWS to hold Fix a Leak Week events in Hilo, Kona

By / March 10, 2026

HAWAI`I ISLAND – The Department of Water Supply (DWS), County of Hawai‘i, is celebrating the U.S. Environmental Protection Agency’s (EPA)...

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.