If you’re not using potable water for irrigation, your system may not include a backflow device. If it does, turn it off via two valve shut-off handles on the separate pipes feeding into the device.

If you have an irrigation system, then in theory, you should have a backflow preventer.” The purpose of the backflow prevention device is to protect the public water system from contamination.

Blaine partners with BSI Online to ensure water safety by mandating annual checks of backflow prevention devices.