Preventing contaminated water from re-entering our drinking water
Backflow assemblies allow potable water to move in only one direction to the point of delivery, preventing contaminated water from re-entering our drinking water.
Property owners
Common questions you may have about testing.
Do I have to get my backflow assembly tested?
- All property owners who have a backflow assembly must have it tested annually per regulations
- You must test your backflow assemblies using only a registered Hillsborough County certified tester
- View the registered Hillsborough County certified testers list
What if the test fails?
- You are responsible for repairing or replacing any backflow preventers that fail to meet performance standards
- Contact the Cross-Connection Control unit at backflowprogram@hcfl.gov if you have any questions regarding the requirements for the repair or replacement of your backflow preventer
Certified testers
If you are a certified tester you can use our online form to easily submit your test results instantly. You must notify the County within 48 hours of any backflow preventer assembly that fails a test.
Online submissions - preferred method
Submit Online Backflow Test Form
Alternate method
You can download the fillable* PDF version of the form and fax, mail, or scan and email the results in:
Scan and email to backflowprogram@hcfl.gov
Mail to:
Cross-Connection Control Unit
Water Resources
P.O. Box 89547
Tampa, FL 33689
*Fillable forms may not work with many browsers (Chrome, Firefox, Microsoft Edge, etc.) - if you have issues with the form, do one of the following:
- Download the form to your computer and open it up with a PDF viewer, such as Adobe Acrobat Reader
- Download the printable version of the form, print it, and fill out by hand
Contact
For more information, please contact our Water Resources department at (813) 272-6680 or email backflowprogram@hcfl.gov.