New Rochelle has multiple water providers: Suez Water - Westchester, Westchester Joint Water Works, and SUEZ Water - Westchester, Inc., view all. This page provides information about Westchester Joint Water Works.

The Westchester Joint Water Works (WJWW) provides water for about 59,629 residents living in the area of Mamaroneck, New York. Established in 1927, the Westchester Joint Water Works is currently obtaining its supply from the upstate Catskill and Delaware watersheds of the New York City water system via connections in Delaware Aqueduct in Yonkers and at the Rye Lake, the eastern portion of Kensico Reservoir, in Harrison.

Mamaroneck Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Westchester Joint Water Works 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.

D+

Below Average

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 Westchester Joint Water Works? 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, Westchester Joint Water Works received a below-average grade because the amounts of contaminants found in the water supply were higher than most other water providers we've analyzed.

New Rochelle has multiple water providers: Suez Water - Westchester, Westchester Joint Water Works, and SUEZ Water - Westchester, Inc., view all. This page provides water quality information for Westchester Joint Water Works.

D+

Below Average

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.

Contact Westchester Joint Water Works Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Westchester Joint Water Works
1625 Mamaroneck Avenue
Mamaroneck, New York 10543

914-698-3500
No email provided. Please visit the contact form. https://www.wjww.com/home/webforms/contact-us

Emergency (24 hours - broken water main or pipeline, etc.)
914-424-4371

Pay Your Westchester Joint Water Works Bill

Already have an account?

If you already have an account, you just need to login to the Westchester Joint Water Works site. Westchester Joint Water Works 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 Westchester Joint Water Works 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 New Rochelle Water Service

Starting Your Service

When you move to a new home in Mamaroneck, you'll most likely already have running water, but you'll still need to set up water service with the Westchester Joint Water Works. Luckily, New Rochelle 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 Mamaroneck, you'll need to stop your water service with the Westchester Joint Water Works, 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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