The sewer backflow preventer itself may have a shut-off valve handle or a ball valve on it. How To Test Whether A Sewer Backflow Preventer Device Is Working It's important to test a sewer backflow ...

Laredo will enforce annual testing of backflow prevention devices as the city of Laredo continues its efforts to comply with state regulations and ensure the safety and quality of the public water ...

North Carolina Senate Bill 166 (Session Law 2024-49), the majority of which became effective on September 11, 2024, amended ...

Local Columbia, SC plumbing companies are showing support for the SCDES backflow prevention program, noting every public water system must initiate a viable cross connection control strategy.

By means of a combination of check and relief valves, an RPZ valve aims to ensure the water downstream is at a lower pressure ...