What is backsiphonage?

Backsiphonage occurs when a reduction in water pressure creates a vacuum or suction effect that enables a contaminant to be drawn into the drinking water distribution system. Examples of when water pressure within a water distribution system could drop are a main break or firefighting.

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1. What is backflow?
2. What is backsiphonage?
3. What is backpressure?
4. What is a cross-connection?
5. How do you prevent backflow?
6. What is a backflow prevention assembly?
7. I have reclaimed water. Do I need backflow prevention?
8. Who tests and maintains backflow prevention assemblies?