Backflow Prevention
What is a backflow preventer?
A backflow preventer prevents water from flowing back into the City water distribution system due to pressure changes in the customer system or the City system.
![Backflow Diagram](https://cdn.pompanobeachfl.gov/city/storage/images/utilities/backflow-graphic.jpg)
Backflow Testing
Annual backflow testing is REQUIRED. Please see this document for additional information.
BSI (800-414-4990) operates our backflow program database. Plumbers can simply visit www.bsionline.com, create a user ID, submit the fees related to your test and enter the test data. Only a certified backflow tester can test or repair backflow preventers.
For BSI online submittal instructions, please see this document.