Backflow Prevention Test
The City of Calgary and municipalities across Alberta oversee annual testing and compliance of devices in order to protect the drinking water supply from contamination
Testing is mandatory at the beginning of each season as per City of Calgary By Law 39.3e to prevent water contamination
It essentially means the flowing back of water or reversal of the normal direction of water flow in either the Water System or a Customer’s Plumbing system into the public domain or water source
If you received a letter, you need to have your cross connection device tested by a certified tester who is registered with the City of Calgary. In order to pass the test, it must meet the following criteria:
In addition, the device must also be installed as per AWWA recommendations. AWWA stands for the American Water Works Association which is recognized as North America’s most prominent water inspection association.
An improperly installed device can result in the immediate failure of a device both in terms of operation and testing.