What is a backflow?
A backflow (backpressure or back siphonage) is a reversal of the flow of non-potable water or other substances through a cross connection and into the piping of a public water system. A sudden change in water pressure in the pipes could cause such a reversal. The reversed water flow could then exert suction that draws contaminated water into the drinking water.
If I’ve received a notice about an upcoming cross connection control compliance inspection, how should I prepare?
Prior to scheduling an inspection with the County, you should have the backflow devices on your property tested by a Virginia-licensed backflow device professional. Once testing is complete, follow the instructions on the notice to create the cross connection application. Update the device information and include any additional devices.
What if an inspector cannot complete an inspection or confirm compliance during the initial inspection?
If an inspector determines the device is not in compliance or the device inspection information has not been updated, the inspection will be rejected. The inspection will automatically be rescheduled 14 days after the date of the rejected inspection.
How do I submit a cross connection application?
- Register or log in to Permit Arlington (step-by-step video tutorials and help are available here)
- From the dashboard, hover over the Create drop-down menu (upper-right corner) and select Building Application.
- Select Cross Connection followed by Continue Application.
- Fill out the details in the form and submit the application.