Department of Water Supply


    WATER SHUT-DOWN AFFECTING PAIA AND KUAU. On Thursday December 12, 2019, all water customers in Paia and Kuau will have their water shut off from approx. 10:00pm to 4:00am (Friday). Customers are encouraged to store water and adjust schedules 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 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:

Strategic Plan Public Outreach

The County of Maui, Department of Water Supply Strategic Plan is being prepared by its consultants, Harris and Associates and SSFM International. The Strategic Plan is intended to provide long-term guidance for fulfilling the department's mission to "Provide Clean Water Efficiently." You are invited to participate in the Strategic Planning process by taking the survey at the link below:

The department is seeking public input regarding three specific issues:
  1. Customer Service Standards
  2. Environmental Consciousness
  3. Transparency and Social Responsibility
The goal of the survey is to document the public's needs, preferences and expectations concerning these issues so that the Department of Water Supply can make informed decisions in the public's interest.

The survey will take about 11 minutes and is entirely confidential. You are not obligated to complete the survey and may skip any question you don't feel like answering. However. we encourage you to make thoughtful responses to the questions you choose to answer.

For additional information on the Strategic Planning Process, please submit your written inquiry to:
Email: Tony Herda - (Harris and Associates – Lead Consultant)
Email: Eric Matsuda - (SSFM International – Local Subconsultant)
Email: Robert DeRobles - (DWS Division of Water Resources and Planning)

Your participation is most welcome and encouraged.
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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