County of Maui Hawai'i
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Department of Water Supply
Department of Water Supply
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:

The Department of Water Supply is now accepting watershed protection grant proposals for Fiscal Year 2017Proposal deadline is November 16, 2015.

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

Telephone and 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

Commercial Payments Residential Payment

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