Honolulu has multiple water providers: Pearl Harbor Water, Honolulu Board Of Water Supply - Waipahu Ewa Waianae, Board Of Water Supply - Mililani, Wahiawa Water, and Honolulu Board Of Water Supply - Waipio Heights, view all. This page provides information about Board Of Water Supply - Mililani.

The Board of Water Supply (BWS) Region 5 - Mililani System, under the City and County of Honolulu, provides water for about 50,573 residents living in the area of Mililani, Hawaii. Established in 1929, the Board of Water Supply is currently obtaining its supply from a ground water source, wells that pump water from the Mililani aquifer beneath Oahu.

Mililani Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Board of Water Supply Wahiawa Yard to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about Board Of Water Supply - Mililani? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, Board Of Water Supply - Mililani received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

Honolulu has multiple water providers: Pearl Harbor Water, Honolulu Board Of Water Supply - Waipahu Ewa Waianae, Board Of Water Supply - Mililani, Wahiawa Water, and Honolulu Board Of Water Supply - Waipio Heights, view all. This page provides water quality information for Board Of Water Supply - Mililani.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

Honolulu has multiple water providers: Pearl Harbor Water, Honolulu Board Of Water Supply - Waipahu Ewa Waianae, Board Of Water Supply - Mililani, Wahiawa Water, and Honolulu Board Of Water Supply - Waipio Heights, view all. This page provides water quality information for Board Of Water Supply - Mililani.

Contact Board of Water Supply Wahiawa Yard Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Honolulu Board Of Water Supply
630 S. Beretania St., Rm. 308
Honolulu, Hawaii 96843

808-748-5030
customerservice@hbws.org

Emergency (24 hours - broken water main or pipeline, etc.)
808-748-5000

Pay Your Board Of Water Supply - Mililani Bill

Already have an account?

If you already have an account, you just need to login to the Board Of Water Supply - Mililani site. Board Of Water Supply - Mililani accepts credit cards, debit, and direct deposit. Click here to login.

Want to create a new account?

You can create a new account on the Board Of Water Supply - Mililani website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.

Want to pay without an account?

You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.

How to Start Honolulu Water Service

Starting Your Service

When you move to a new home in Mililani, you'll most likely already have running water, but you'll still need to set up water service with the Board Of Water Supply - Mililani. Luckily, Honolulu has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Mililani, you'll need to stop your water service with the Board Of Water Supply - Mililani, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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