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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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DWS Announces Grants Available to Pay Overdue Water Bills

HILO, HAWAI‘I – The Department of Water Supply (DWS), County of Hawai‘i, is pleased toannounce that federal relief money will be made available to hel...
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DWS extends entry deadline for 3rd Annual Keiki Water Conservation Poster Contest

March 30, 2021 FOR IMMEDIATE RELEASE Entry Deadline Extended for Department of Water Supply’s 3rd Annual Keiki Water Conservation Poster Contest HI
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Department of Water Supply Extends Appointment Only In-Person Services Through April 2021

March 23, 2021 NEWS RELEASE FOR IMMEDIATE RELEASE Department of Water Supply Extends Appointment Only In-Person Services Through April 2021 The De
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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.