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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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Water Supply helps customers identify household water leaks

Water Supply helps customers identify household water leaks

By / March 16, 2023
March 16, 2023FOR IMMEDIATE RELEASEDepartment of Water Supply Helps Customers Identify Common Household Water LeaksHAWAI`I ISLAND – The Department of...
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Water Supply extends deadline for 2023 Keiki Water Conservation Poster Contest

Water Supply extends deadline for 2023 Keiki Water Conservation Poster Contest

By / March 7, 2023
March 7, 2023 FOR IMMEDIATE RELEASE Entry Deadline Extended for Department of Water Supply’s 5th Annual Keiki Water Conservation Poster...
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Hawaiian Ocean View Estates Well – emergency repairs

Hawaiian Ocean View Estates Well – emergency repairs

By / February 13, 2023
February 13, 2023 FOR IMMEDIATE RELEASE Hawaiian Ocean View Estates Well - emergency repairs AFFECTED AREA: HAWAIIAN OCEAN VIEW ESTATES,...
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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

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.