Town of Cohasset Water, a public community water system under the local government's Department of Public Works, provides water to about 7,630 residents living in Cohasset, Norfolk County, Massachusetts. Founded in 1770, the Town of Cohasset Water System currently obtains its surface water supply from two sources: Lily Pond, a 52-acre-pond with a maximum capacity of 100 million gallons of water, and Aaron River Reservoir, a 136-acre reservoir with a maximum capacity of 550 million gallons.
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Cohasset Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Cohasset Water Department 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. You can find CCR report on the Cohasset Water Department website.

Contact Cohasset Water Department Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
339 King St
Cohasset, Massachusetts 2025

phone
Chillstrom@Woodardcurran.Com

Emergency (24 hours - broken water main or pipeline, etc.)
7813830057

Pay Your Cohasset Water Department Bill

Already have an account?

If you already have an account, you just need to login to the Cohasset Water Department site. Cohasset Water Department accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Cohasset Water Service

Starting Your Service

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