Cross Connection Permits

Cross Connection Permits are issued through the Cross Connection Program.

The Cross Connection Permit fee is $25 for each device.  Please electronically complete the Backflow permit application for each device including a sketch for each device.

Online Application.  

For additional information, please contact our Cross Connection department by phone at 617-349-4770 Monday through Friday: 7:00 AM to 3:00 PM or email backflow@cambridgema.gov