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Backflow prevention - Annual Testing
The need for annual testing
Each backflow prevention containment device must be tested on an annual basis. This is a condition of connection to the water supply. It means that the device is maintained and continues to operate effectively. The annual test will ensure the drinking water supply is protected from backflow.
If a device is defective or faulty, it may:
- not prevent a contaminated source entering the drinking the water supply
- cause water to be wasted through leaking devices
- impact on the water pressure supplying your property
How to have your device tested
A backflow prevention accredited licensed plumber will need to test all of your devices.
After testing your device your licensed plumber will give you a yellow copy of the Backflow Prevention Device Inspection and Maintenance Report. The original will be sent to Sydney Water within 2 days of testing to ensure customer compliance with Sydney Water's backflow prevention requirements.
Annual testing fact sheet (PDF - 24KB)