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.

Customers Urged to Prepare for Storm

By / July 23, 2026

Water Supply Urges Customers to Prepare for Approaching StormThe Department of Water Supply (DWS), County of Hawai‘i, urges its customers...

DWS CANCELS Honomū Water Restriction

By / July 7, 2026

Honomū Water Restriction CANCELLED AFFECTED AREAS: HONOMŪ VILLAGE AND CUSTOMERS ALONG HONOMŪ ROAD AND MĀMALAHOA HIGHWAY (HWY 19), INCLUDING ALL...

HOVE Well Repairs Completed

By / July 2, 2026

Hawaiian Ocean View Estates Well – Repairs Completed Emergency repairs to the Hawaiian Ocean View Estates (HOVE) well in Ka‘ū...

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.