Official authority list

City of Phoenix Backflow Prevention Program approved testers

This page mirrors cached entries from the governing authority's published tester list. Sponsor-only inventory stays off public pages and inside the private admin workflow.

Official list entries

Authority-first tester table

Use the governing authority list first. Provider profiles and sponsor routing remain secondary to the official approval context.

Full name License notes Company or label Review date
Air & Water Factor
Official list entry
Official tester listed by Phoenix and also carried on Mesa and Avondale utility rosters for the metro cluster. Officially listed across multiple Phoenix-metro utility tester lists. 2026-04-05
Western Backflow Testing LLC
Official list entry
Official tester listed by Phoenix and also present on Scottsdale's quarterly tester roster. Officially listed on Phoenix and Scottsdale tester lists. 2026-04-05
Guardian Industries LLC
Official list entry
Official Phoenix tester list entry Officially listed on the Phoenix tester PDF 2026-04-04
Utility workflow

Stay on the official compliance path

The utility page remains canonical. This tester surface should only help the user take the next step after the exact reporting and deadline path is clear.

  1. Confirm whether Phoenix has identified the service as requiring a backflow assembly.
  2. Use a tester from the city's approved tester list.
  3. Complete the approved report and deliver it by the due date shown on the work order.
  4. Retain the testing records in case Phoenix requests follow-up documentation.