Home - Department of Water Supply

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.

View Video Learn More

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 issues Water Restriction Notice for Hakalau customers

By / May 27, 2025

May 27, 2025FOR IMMEDIATE RELEASEWater Restriction Notice Issued for Hakalau CustomersEffective immediately and until further notice, the Department of Water...

North Kona Water Customers Reminded to Continue Conservation Efforts

By / May 5, 2025

May 4, 2025FOR IMMEDIATE RELEASENorth Kona Water Customers Reminded to Continue Conservation EffortsAFFECTED AREAS: MĀKĀLEI, KALAOA, KONA PALISADES, KEĀHOLE, PALAMANUI, KOHANAIKI,...

DWS celebrates Drinking Water Week May 4-10

By / May 1, 2025

The Department of Water Supply (DWS), County of Hawai‘i, is joining communities across North America in celebrating Drinking Water Week,...

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.