The Middlesex Water Company (NASDAQ:MSEX) provides water for about 233,376 residents living in the Iselin area. Established in 1897, the Middlesex Water Company collects local groundwater drawn from the Brunswick Aquifer (19%), imported water (7%) from New Jersey American Water-Raritan System, and surface water (74%) from the Delaware and Raritan Canal (D&R Canal) via New Jersey Water Supply Authority, supplemented by the Round Valley and Spruce Run Reservoir Systems.

Iselin Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Middlesex Water Company 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.

A-

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 Middlesex Water Company? 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, Middlesex Water Company 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.

A-

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.

Contact Middlesex Water Company Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
485 C Route 1 South, Suite 400
Iselin, New Jersey 08830

800-549-3802
csmwc@middlesexwater.com

Emergency (24 hours - broken water main or pipeline, etc.)
800-549-3802

Pay Your Middlesex Water Company Bill

Already have an account?

If you already have an account, you just need to login to the Middlesex Water Company site. Middlesex Water Company 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 Middlesex Water Company 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 Woodbridge Water Service

Starting Your Service

When you move to a new home in Iselin, you'll most likely already have running water, but you'll still need to set up water service with the Middlesex Water Company. Luckily, Woodbridge 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 Iselin, you'll need to stop your water service with the Middlesex Water Company, 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.

Latest Updates