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Department of Water Supply
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!
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:
- Water Billing Account Change Form
- 2023 Source Protection Video Contest
- Watershed Protection Grants Program - (RFP) FY2024
- Rain Barrel Catchment Program Giveaway Opens a New Window.
- Ultra High Efficiency Toilet (UHET) Replacement Program
- 2023 Water Conservation Poster Contest
- Fiscal Year 2022 Annual Report & Audit
- 2022 Water Quality Report now available
- Road Signs - Public Water Source Protection Area - What do these signs mean? Opens a New Window.
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Mayor's Proposed FY2024 Water Rates (effective 7/1/2023), Pending Approval by Council
Water rate increases have been proposed effective 7/1/2023, pending approval by County Council. To view a copy of the proposed rates click the link below. Click here
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:
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 | Commercial | Payment by Phone |
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![]() 855-385-4836 |
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John Stufflebean, P.E.
Director
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James 'Kimo' Landgraf
Deputy Director
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Water Supply, Department of
Physical Address
200 S. High St.
Kalana O Maui Bldg, 5th Fl
Wailuku, HI 96793
- What should I do once the boil water advisory is lifted in my area?
- Is it safe to do laundry during a boil water advisory?
- How long will the boil water advisory remain in effect?
- I have heard that you need to boil water longer than 1 minute, is that true?
- How do I care for my garden and houseplants during a boil water advisory?
- The East Maui Watershed consists of approximately 120,000 acres and provides the largest harvestedsource of surface water in the state. This watershed services Upcountry residents and farmers from Haiku to Kanaio.
- Waikamoi Preserveis at the heart of the East Maui Watershed and is a central component of one of thelargest intact native rain forests in the State. The Nature Conservancy works to protect the source headwaters that supply the majority of drinking water for Upcountry.
- Auwahi Forest Restoration Project is located in the southwest slope of Haleakala. Restoration work is focused on 300 acres at the 3000 to 5000-foot elevation including the surrounding 184-acre watershed forest restoration ecological buffer zone that extends into upland watershed areas. AFRP offers a powerful, unique, and influential platform for the Maui community to engage in the protection and restoration of Hawaiian watersheds.