1836 Backflow and Irrigation Design
Backflow testing
Source and date
City of Irving approved backflow tester list
List date January 28, 2026. Copied on 2026-10-14. Program page: https://irvingtx.gov/water-cross-connections.
Irving does not endorse 1836 Backflow and Irrigation Design because the name is published here. Backflow Tester Finder does not endorse it either. Confirm the license and the current city list before you hire.