What is backflow?
Drinking water distribution systems are designed with the intention of the water flowing in one direction, from the distribution system to the many various points of use. Backflow is the undesirable reversal of flow in a potable water distribution system through a cross-connection. A cross-connection is an actual or potential link connecting a source of pollution or contamination with a potable water supply. Backflow may allow liquids, gases, non-potable water and other substances, from any source, to enter a public water system.

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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?