What is backflow?

The flow direction reversal of water or mixtures of water and/or other liquids into the distribution pipes of the potable water supply by means of back-siphonage or backpressure.

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1. Why does the Water Quality Laboratory sample drinking water?
2. What analyses are done on our drinking water?
3. Does the Water Quality Laboratory sample and analyze water?
4. Why is it important to keep fats, oils, and grease out of the collection system?
5. How can I keep fats, oils, and grease from clogging my pipes?
6. What is backflow?