All backflow prevention devices must be tested once a year.
Click here to see a List of Approved Testers (pdf) - (updated periodically)
Backflow Prevention Devices
All industrial, commercial, and irrigation customers are required by city ordinance to install and maintain backflow prevention devices at every service connection to Charlotte-Mecklenburg Utilities.
Land Use & Environmental Services Agency. Other links within LUESA include code enforcement, reference desk, and Plans Submittal Requirements - Commercial.
For more information about backflow prevention, contact us by email or call 704.399.2426 and ask for someone in Backflow.