What is backflow?

Backflow is the reversal of flow in a water system from the normal or intended direction of flow. It creates the opportunity for potential contaminants and pollutants from private plumbing connections in your home or business to enter the main water distribution system.


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1. What is backflow?
2. What is cross connection control?
3. Why did I get a backflow letter?
4. I don’t remember getting a letter like this in the past. Has something changed?
5. If my device is due to be rebuilt, does it also have to be tested?
6. Why is it required to test my device?
7. What happens if I don’t comply?
8. I need more information. How do I know whether my backflow device needs tested or rebuilt?
9. How do I remove my backflow device?