What is backflow?

Backflow occurs when hydraulic conditions within our water distribution system deviate from “normal” and flow reverses, causing pollutants and contaminants to enter the system.

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1. What is backflow?
2. What causes backflow?
3. What is backsiphonage?
4. What is backpressure?
5. How can backflow be prevented?
6. What is a backflow assembly?
7. How is an assembly approved?
8. Who is required to have a backflow prevention assembly?
9. How do I know if I need a backflow prevention assembly?
10. Is there a general compliance schedule and process?
11. Who can install a backflow prevention assembly?
12. Where should a backflow prevention assembly be located?
13. Who is responsible for testing and maintaining the backflow assembly?
14. I have multiple testing dates for the backflows at my property. Can I consolidate the dates?
15. I have an irrigation or fire sprinkler backflow assembly I no longer use. Can I remove it?