A backflow prevention containment device is required to be installed on all properties where there is a possibility of contaminating the drinking water supply. An accredited plumber will be able to determine which device needs to be installed.
The following information is provided to assist customers in meeting Sydney Water's backflow prevention requirements.
Is backflow prevention necessary for my site? Find out more in the
Question & Answer sheet (PDF - 35KB)
How to comply - what customers need to do to meet Sydney Water's backflow prevention containment requirements