What is Backflow?

Cities' water distribution system are designed to keep water flowing from the distribution system to you the customer.  However, when hydraulic conditions deviate from normal flow conditions, water flow can be reversed or backflow.  When this backflow occurs, water can flow from the customer’s system back into the City’s distribution system.

What is Backsiphonage?

The positive flow of water can be reversed when there is a sudden reduction in water pressure in the distribution system, such as during firefighting or when a water main breaks.  This can create a suction effect, drawing the non-potable substance into the potable water system.

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