NOTICE: The Cambridge Water Department will be open to members of the public, by appointment only, on
Mondays and Thursdays from 9:00 a.m. to 2:00 p.m., for various services. Details about
Residential Water Testing,
Water Construction Permits,
Hydrant Use Permits,
Backflow Permits and
Water Meter Replacement are available on our website. Appointments can be made by phone at
617-349-4770 or by email at
CWD@cambridgema.gov.