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Backflow & Cross-Connections

Program Contact Information

Michael Hebert  |  Cross Connection Control Manager
mhebert@portsmouthwater.org  |  401.683.2090 ext.228



Backflow Test Sheet & List of Approved Testers

Backflow Prevention Assembly Test and Maintenance Record Sheet

A test record is required upon installation, repair, or relocation of a backflow assembly.
Annual testing is required for all high hazard applications.

List of PWFD Approved Backflow Testers


What is a cross-connection?

BROCHURE DOWNLOAD (FULL RESOLUTION PDF)

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BROCHURE DOWNLOAD (FULL RESOLUTION PDF)

Do you have lawn irrigation? Head here.

Note A: All Customers require a Residential Dual Check Valve installed after the water meter. For customers with a lawn irrigation system, a Pressure Vacuum Breaker must be installed.

Note B: All lawn irrigation systems injecting chemicals, are pressurized, or where it does not meet the 12” minimum separation of elevation must install a Reduced Pressure Zone Backflow Assembly (RPZ).

Note C: Customers with a pool utilizing an Auto Chemical Feed and/or Auto Fill will require the installation of a Reduced Pressure Zone Backflow Assembly (RPZ) at point of use.

Note D: All Customers (New or Existing) that have a well located on the property for any purpose, even for lawn irrigation, shall require the installation of a Reduced Pressure Backflow Assembly (RPZ) and is to be installed immediately after the water meter.