Top Green offers expert RPZ and backflow testing to keep you in compliance with all Minnesota testing laws and requirements. Backflow testing is required by the state annually to protect water supplies in buildings, irrigation systems, and to municipalities.
- RPZ, PVB, DCVA, and all testable backflow prevention device that fails the test must be cleaned or rebuilt.
- If any backflow prevention device fails the testing procedure after being rebuilt, it must be replaced.
- All testing must be performed by a licensed Backflow Tester.
MN Plumbing Code: 603.5.23.2 Testing and Maintenance. The installation of a testable backflow prevention assembly is permitted only when a periodic testing and inspection program conducted by qualified personnel is provided by an agency acceptable to the administrative authority. Inspection intervals shall not exceed one year.