Installation of a lawn irrigation system is required to have a backflow assembly installed per Rhode Island General Laws Title 46 Chapter 46-13 Public Drinking Water Protection. The backflow device must be approved by the Portsmouth Water & Fire District prior to installation and inspection. Contact Mike Hebert, Cross Connection Control Manager, for more information…
Backflow & Cross-Connections
Program Contact Information
Michael Hebert | Cross Connection Control Manager
firstname.lastname@example.org | 401.683.2090 ext.228
Backflow Test Sheet & List of Approved Testers
A test record is required upon installation, repair, or relocation of a backflow assembly.
Annual testing is required for all high hazard applications.
What is a cross-connection?
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.