Backflow Prevention
Device Inspection, Inc.

1-602-788-5411

24 Hour Emergency Service Available
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Where are the devices installed?

The devices are installed on the City’s water supply line as close as possible to the customer’s water meter and/or internally on any equipment that utilizes water that potentially may become contaminated such as boilers, carbonators, cooling towers, x-ray machines, etc.

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.

Backflow Services
Hydrant Meter Rental
Contact & Location



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