Cross Connection

Effective Aug. 1, 2021, registered testers for the City of Irving Online Backflow Prevention Program are required to submit backflow test results for existing assemblies online via the city's web portal

Participation is mandatory, and testers are encouraged to create an account as soon as possible on the new portal.

Backflow Tester Registration
Create a Tester Submission Account
Submit Test Results
  1. Tester Registration
  2. Documents
  3. FAQs

Complete and mail the City of Irving Backflow Tester Registration Form with the required $100 registration fee and required documentation. Payment may be made by check or money order, payable to the City of Irving.

Required documentation

  • A copy of your state license
  • Your most recent gauge accuracy report

Mail Payment and all Documents to

City of Irving Water Utilities Department
333 Valley View Lane
Irving, TX 75061

View the list of Approved Backflow Testers for the City of Irving.

For additional information, call (972) 721-2104 or email