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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.  

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News Updates

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Hawai‘i County Department of Water Supply’s Systems are Lead-Free

The Hawai‘i County Department of Water Supply (DWS) wishes to inform its customers that under the Environmental Protection Agency’s (EPA) Lead and Cop...
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Department of Water Supply Announces Winners of 3rd Annual Keiki Water Conservation Poster Contest

The Department of Water Supply (DWS), County of Hawai‘i, has selected the top artworks from the nearly 150 posters Hawai‘i Island schoolchildren enter...
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Department of Water Supply Reopens Offices for Walk-In Services Effective June 1

NEWS RELEASE Department of Water Supply Reopens Offices for Walk-In Services Effective June 1 The Department of Water Supply (DWS), County of Hawai‘
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DWS

WATER CONSERVATION TIPS

General Indoor

Kitchen

Bathroom

Laundry

General Outdoor

Lawn

Landscape

Pool

Imagine a Day Without Water

1

A Bottle of Water

53

To-Go Latte

150

Washing a Car

1200

A Beef Steak

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The Department of Water Supply is a semi-autonomous agency of the County of Hawai‘i that is governed by the Water Board. Founded in 1949, its primary function is to provide domestic water service through its 23 water systems scattered throughout the Big Island. The Department continually strives to provide safe, dependable, high quality, potable water at a reasonable cost.