Water Department

Aerial photo of the Walter J. Sullivan Water Purification Facility
The Cambridge Water Department (CWD) is a municipally owned and operated water utility, responsible for the treatment and delivery of water to the residents of Cambridge. Water originates from the Hobbs Brook Reservoir, Stony Brook Reservoir and Fresh Pond water supply system with the occasional supplement from the Massachusetts Water Resources Authority (MWRA) system. The department is also responsible for the preservation, protection, and management of the City's watershed and reservoirs.

Water/Sewer Payments Update as of 4-6-20:
Interest and other penalties on late payments made on Water/Sewer bills with due dates after March 10, 2020 will be waived if payments are made by June 29, 2020.
Contact Us

How can we help?

Please provide as much detail below as possible so City staff can respond to your inquiry:

As a governmental entity, the Massachusetts Public Records Law applies to records made or received by the City. Any information received through use of this site is subject to the same provisions as information provided on paper.

Read our complete privacy statement


Service Requests

Enter a service request via Commonwealth Connect for things like missed trash pickups, potholes, etc., click here