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Backflow Testing

Backflow Testing in Leesburg, VA

Plumbing is the foundation of every sound irrigation system. A poorly installed system can carry the potential for disaster. Flooded basements, washed out foundations, and massive water bills are the inevitable results of a sub-par system. Backflow prevention is critical in protecting your family and neighbors from possible contamination.

What is a Backflow Preventer?

A backflow preventer is a check valve device that prevents contaminated water from entering your water pipes. Any unsafe water that entered the backflow prevention system from outside of your water system would vent out of the preventer, thus keeping it out of the potable water supplies.

By ensuring that water flows in only one direction, the backflow preventer protects the public water supply – and your home or business – from unclean water.

As it relates to irrigation systems, backflow preventers are necessary for keeping any sorts of chemicals you might use in your lawn (such as fertilizer, weed killer, etc.) from entering your sprinkler system and flowing through to the city water supply in the case of a water pressure issue in your city or neighborhood.

If you’re utilizing the public water supply for your irrigation system in the DMV area, you’re required to undergo annual testing for your backflow preventer.

What is Backflow Testing?

Backflow testing is the process by which your prevention device is checked by a government certified plumber in order to ensure that your system is still functioning properly. Since a failing backflow preventer can affect not just you, but the water supplies of the homes and businesses around you, the government enforces testing requirements for the wellbeing of everyone in the jurisdiction.

Backflow Testing Requirements in Virginia

The state of Virginia requires you to undergo the backflow testing process annually if you have a backflow preventer installed. Your due date for testing falls on the same date that you got your system initially installed.

If you need to have your backflow prevention device tested, Creative Irrigation & Lighting has a licensed Backflow Technician on staff to handle all aspects of the annual inspection. Give us a call today to get your backflow preventer tested no matter where you are in the D.C. metro area.

Backflow Tutorial

Backflow Preventer Requirements by County

Arlington

Pressure Vacuum Breaker (PVB) – ASSE 1020; this assembly must be able to be located outside, one (1) foot above the highest sprinkler head

When the parameters for a PVB cannot be met, a Reduced Pressure-Principle (RP) - ASSE 1013 shall be installed

Loudoun

An RPZ device on lines that are connected with chemicals. (Preferred)

A PVB device on wet systems must be 1’ (foot) above highest head. (This is key)

Fairfax

An RPZ device on lines that are connected with chemicals. (Preferred)

A PVB device on wet systems must be 1’ (foot) above highest head. (This is key)

Prince William

ASSE 1020 P.V.B. or CSA B64.1.2 pressure-type vacuum breaker

ASSE 1013 R.P.Z., AWWA. C511, CSA. B64.4 or C.S.A. B64.4.1 reduced pressure principle backflow preventer

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