Backflow refers to contaminated water flowing backwards in a pipe (generally in a low water pressure situation) and possibly affecting the potable water supply. Backflow prevention is a serious matter and is regulated by the Federal Safe Drinking Water Act (SDWA) of 1974.
What is Backflow and how do I prevent it from happening?
A safe water supply is of the utmost importance for public welfare! Cross connection and backflow assemblies prevent the contamination of the public water supply, so local authorities require annual testing of backflow devices to ensure the devices are working properly and protect the backflow of polluted water into the potable water supply. The test requires a state certified technician to shut down the water supply to your home, or place of business for approximately 2-5 minutes. During this time, an electronic testing unit is attached to the assembly to calibrate and verify that the device is in optimum operating condition. You do not need to be on-site for the testing to take place because the pipes are located on the outside of the property.
Why does my Back Flow Device need to be tested?
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