What is backflow prevention?
Backflow prevention protects public water systems from contamination or damage through cross-connections located in customer facilities. Backflow prevention is typically achieved by placing a backflow prevention assembly between the customer and the public water system. This is called containment backflow prevention.

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1. What is backflow?
2. How does backflow occur?
3. What is backflow prevention?
4. Who is Required to Have a Backflow Device?
5. Must I have my backflow prevention assembly inspected annually?