Department of Water Supply

Unsafe Water Advisory Interactive Map Unsafe Water Advisory Interactive Map Opens in new window

Maui Recovers Opens in new windowThe County of Maui’s www.mauirecovers.org website provides important updates on recovery efforts, including re-entry to impacted areas, safety information for those returning to their property, fire debris removal, maps and data, water and wastewater, recovery phases and information on financial and housing assistance.

Maui Nui Strong Opens in new window The County of Maui’s www.MauiNuiStrong.info website provides updated information on relief efforts for those impacted by the Maui wildfire disaster and for those who want to lend their support. It also features important links and resources for residents, businesses and visitors.

Our Mission

The Department of Water Supply is an agency of the County of Maui. Our mission is to provide clean water efficiently. We provide water to approximately 36,400 services on Maui and Molokai. The water we provide meets all state and federal water quality standards. Take a look around our site to learn more. The Department needs your help! Please conserve water. For easy ways to use less water (and save money), see our tips on Water Conservation.

What's New:

  1. Water conservation request for Waiehu and Waihee

    The Department of Water Supply requests visitors, residents and businesses of Waiehu and Waihee conserve water. A well pump supplying the area is down due to a mechanical failure so those in the area may experience low pressure. Read on...

  2. 11/8/23 - Stage 2 Water Shortage in effect for Upcountry

    Read on...

  3. Unsafe Water Advisory lifted for all areas of Upper Kula

    DWS announces that the Unsafe Water Advisory for all areas of Upper Kula have been lifted effective October 31, 2023. The department recommends customers flush their lines to remove any standing water in plumbing and pipes due to non-use. Read on...

  4. Reminder of West Maui Stage 1 Water Shortage continues to be in effect

    The Department of Water Supply would like to remind residents and visitors that the Stage 1 water shortage issued on June 30, 2022 remains in effect. Notices are published weekly in the Maui News or can be viewed at the link provided. Notification

  5. Low-income Home Water Assistance Program (LIHWAP) has been extended through March 2024

    Assistance is now available to qualified Maui County water account holders through the Low-income Home Water Assistance Program (LIHWAP) being administered by Maui Economic Opportunity. Read on...
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Don't Waste a Drop Logo

Please get involved and visit the DWS Water Conservation Tools to learn about how you can save more water and money! 

Free fixtures are available!

DWS  Small Meter Replacement Project 

In June 2020 the Department of Water Supply began its Small Meter Replacement project aimed at upgrading aging water meters within the County water system. The project, which is expected to last for four years, will replace an estimated 26,000 water meters that are 2” or less in size. Professional Meters, Inc. (PMI) has been hired by the department to install the meters. 

View your Water Bill Information
Customers can view their water bills, access account information and request electronic bill presentment online by creating an account here:
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Telephone & Online Payment

You may pay your water bill on-line by using the links below or by telephone at the toll free number posted below. A convenience fee is charged at the time payment is processed.

* Please have available your 10 digit water account number to make a payment.

            Residential           CommercialPayment by Phone
Online Bill PayCommercial Online Bill PaymentPay by Phone 855-385-4836
     855-385-4836

Commercial Payments Residential Payment