Provider Details

County of Maui - Department of Water Supply

Address: (See Map)

200 South High Street
Wailuku, HI 96793

Contact Information:

Phone: (808) 270-7730


The Department of Water Supply is an agency of the County of Maui. Their mission is to provide clean water efficiently. They provide water to approximately 35,700 services on Maui and Molokai.

24-hours Operations Trouble Calls (All Areas)
Physical Address:
(808) 270-7633

Broken Mains, Leaks, Water Quality, Low Pressure

Customer Service
(808) 270-7730

Start/Terminate Service, High Bills, Change of Address, Bill Payment and/or Delinquent Bills

Service Categories

Information and Assistance Resource

Geographic Areas Served

  • Counties Maui
  • Regions ADRCMaui, Island of Maui, Island of Moloka'i

Hours of Operation

  • Monday: 7:45 AM-4:30 PM
  • Tuesday: 7:45 AM-4:30 PM
  • Wednesday: 7:45 AM-4:30 PM
  • Thursday: 7:45 AM-4:30 PM
  • Friday: 7:45 AM-4:30 PM


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Last Update Date: 03/04/2020

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