Department of Water Supply

  1. AGRICULTURAL RATE APPLICATIONS

    Agricultural Rate Applications have been mailed to all current Department of Water Supply (DWS) agricultural customers. DWS would like to remind all agricultural customers to please submit necessary paperwork May 31, 2017. Read on...
  2. PERMANENT STATUS OF THE WAKIU WELL C FOR THE WAKIU AREA, HANA SCHOOL, HANA MEDICAL CENTER, WAINAPANA

    The Hawaii State Department of Health Safe Drinking Water Branch has granted final approval in designation of the new Wakiu Well C as a permanent water source. Read on...
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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 35,700 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:



Visit our new Customer Service Portal by clicking the link below:


Maui Water Customer Service Portal

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.
* 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
855-385-4836

Commercial Payments Residential Payment