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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.  

Lead and Copper Rule Revision
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DWS to inspect selected Ka’ū customers’ water service laterals

DWS to inspect selected Ka’ū customers’ water service laterals

By / May 13, 2024
May 13, 2024NEWS RELEASEFOR IMMEDIATE RELEASEDepartment of Water Supply to Inspect Selected Ka‘ū Customers’ Water Service LateralsThe Department of Water...
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Water Conservation Notice CANCELLED for North Kohala customers

Water Conservation Notice CANCELLED for North Kohala customers

By / May 13, 2024
May 13, 2024FOR IMMEDIATE RELEASENorth Kohala Water Conservation Notice CANCELLEDAFFECTED AREAS: HĀWĪ TO HALA‘ULA, INCLUDING PUAKEA BAY, KA‘AUHUHU HOMESTEADS, ‘ĀINAKEA...
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Water Supply to Hold Kona, Hilo Public EventsCelebrating Drinking Water Week, May 5-11

Water Supply to Hold Kona, Hilo Public EventsCelebrating Drinking Water Week, May 5-11

By / May 6, 2024
May 6, 2024NEWS RELEASEFOR IMMEDIATE RELEASEWater Supply to Hold Kona, Hilo Public Events Celebrating Drinking Water Week, May 5-11The Department...
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WATER CONSERVATION TIPS

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.
faucet

General Indoor

dishes

Kitchen

showerhead

Bathroom

washing machine

Laundry

dog drinking water

General Outdoor

garden hose

Lawn

watering plants

Landscape

pool water

Pool

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Imagine a Day Without Water

Many of us take water for granted every day. The seventh annual "Imagine a Day Without Water" in October 20. 2022, aims to raise awareness and educate us about the value of water. Here's a few examples of our water footprint in gallons:
1

A Bottle of Water

53

To-Go Latte

150

Washing a Car

1200

A Beef Steak

DWS logo

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.