Frequently Asked Questions


What Is Backflow?
What is a Backflow Prevention Device?
Why does it have to be test and how often?
Who mandates the testing?
Who does the testing?
What type of equipment is used for testing?
What are the chances of a cross connection or contamination of water occurring?
Why do I have this device on my property?

What Is Backflow?
Backflow is the undesirable reversal of flow of water or mixture of water and other liquids, gases, or other substances into the distribution pipes of the potable supply of water from any source or sources.

What is a Backflow Prevention Device?
A Mechanical device that's prevents the possible contamination of the potable water supply from a possibly contaminated source.

Why does it have to be test and how often?
It has to be tested and certified annually to assure that it is functioning properly.

Who mandates the testing?
Either the local health department or the water purveyor.

Who does the testing?
All testers must be certified by the local health department or the water agency and re-certify either bi-annually or every three years in a hands on situation showing proficiency in the testing of all types of devices installed in their area or to be tested by them.

What type of equipment is used for testing?
Specialty gauges are used that are connected to the device and simulate a backflow or backpressure condition. With these gauges all sections of the device are tested.

What are the chances of a cross connection or contamination of water occurring?
Many incidences have been recorded with some fatalities and also sicknesses caused from these incidences.

Why do I have this device on my property?
Either the Water purveyor or the health department has done a survey of your property and determined that there is a possibility of contamination occurring.

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