Backflow testing is necessary to ensure that the water supply remains uncontaminated by any backflow of potentially harmful substances. Backflow can occur when there is a change in pressure in the water supply system, causing water to flow in the opposite direction and potentially bringing contaminants back into the clean water supply.

Backflow testing is typically required by local regulations and building codes to protect public health and safety. The frequency of backflow testing can vary depending on the specific regulations in place, but it is generally recommended to have backflow testing done annually to ensure that the backflow prevention devices are functioning properly.

During backflow testing, a certified backflow tester will inspect and test the backflow prevention devices to ensure that they are working correctly and are in compliance with regulations. If any issues are found during the testing, repairs or replacements may be necessary to prevent backflow and protect the water supply.

It is important to schedule regular backflow testing to ensure the safety of the water supply and comply with regulations. Failure to maintain backflow prevention devices and conduct regular testing can result in fines and penalties, as well as potential health risks from contaminated water

The state mandates that all backflow assemblies be tested by a certified backflow tester with 2 weeks of culinary sprinkler system activation