A backflow prevention device prevents hazardous substances from inadvertently being drawn into the drinking water system, contaminating it.
All backflow prevention devices must be tested once a year. See a List of Approved Testers - (updated periodically).
To request a backflow inspection, call 704-391-5188 or email .
For general backflow questions, please contact Backflow Prevention at 704-432-5800 or 311.