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Phoenix annual backflow testing

Phoenix requires city-listed certified testers to test assemblies on installation and annually thereafter, then send the approved report to the city by the due date on the work order.

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City: Phoenix Utility: City of Phoenix Backflow Prevention Program Cadence: Upon installation and annually thereafter Last verified: 2026-06-29
Local answer

What to check for Phoenix

Phoenix requires city-listed certified testers to test assemblies on installation and annually thereafter, then send the approved report to the city by the due date on the work order.

  • Due basis: Phoenix requires certified testers on the city list to perform testing and repairs, and the approved report has to be forwarded to Planning and Development by the due date shown on the work order.
  • Who is affected: Commercial, industrial, irrigation, and fire-line services plus any residential or multifamily property where Phoenix determines that a cross-connection hazard exists.
  • Program phone: 602-534-2140
Local signals

Signals that matter before you act

  • Testing and repairs must be done by a city-listed certified tester.
  • The test report must be on Phoenix's approved form.
  • Customers are expected to retain records for at least three years.
Workflow

Phoenix workflow order

  1. Verify the assembly is active in Phoenix's program.
  2. Use a tester currently listed on the Phoenix approved company list.
  3. Submit the approved test form to Planning and Development by the work-order due date.