What is backflow?

Backflow is the undesirable reversal of the flow of potentially contaminated water into the potable water supply. The two types of backflow are backpressure and back siphonage.

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1. What is a Cross-Connection Control Program?
2. What is a Cross-Connection?
3. What is backflow?
4. How can backflow be prevented?
5. How do I know if I need a backflow prevention assembly?
6. Who can install a backflow prevention assembly?
7. Where should a backflow prevention assembly be located?
8. Do backflow prevention assemblies need to be tested?
9. Who can test my backflow prevention assembly?
10. What will it cost to have my backflow prevention assembly tested?
11. Are backflow prevention assemblies subject to freezing?