Department of Water Supply

  1. Water Dept. reminds public of best practices for restoring water quality in buildings

    The Department of Water Supply is reminding the public of best practices to maintain or restore water quality in buildings after extended closures because of COVID-19. Read on...
  2. Drinking Water Week set for May 3-9; High-quality drinking water is “There When You Need It”

    The availability high-quality drinking water is vitally important, especially during the COVID-19 pandemic, and the County of Maui Department of Water Supply and the American Water Works Association are partnering next week to observe Drinking Water Week. Read on...
  3. Department of Water Supply declares Stage 1 water shortage for Central Maui, Paia

    The County of Maui Department of Water Supply declared a Stage 1 water shortage Monday for its domestic water system serving residents of Wailuku, Kahului and Paia. Read on...
View All

COVID-19 Precautionary Measures

Water bill credit card convenience and transaction fees, as well as E-Check Fees, will be waived beginning Tuesday, March 24, 2020, through June 30, 2020.
The Department of Water Supply is following recommendations to encourage social distancing for the benefit of County employees and residents and we are encouraging our customers to pay water bills by check or credit card.
Please call (808) 270-7730 and press "3", or call 855-385-4836 to pay your bill over the phone.

Department of Water Supply announces temporary customer service changes

With the closure of Maui County offices on Monday, March 23, to safeguard against the spread of COVID-19, the Department of Water Supply encourages customers to use phone, online services, mail and email to conduct business safely.

Until further notice, the following Emergency Operating Procedures will be implemented:

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:

close carousel

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
Online Bill Pay Commercial Online Bill Payment Pay by Phone 855-385-4836

Commercial Payments Residential Payment