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Avondale annual backflow testing

Avondale requires annual testing of installed backflow prevention devices and notifies customers when test results become due.

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City: Avondale Utility: City of Avondale Backflow and Cross-Connection Control Cadence: At installation and annually thereafter Last verified: 2026-06-29
Local answer

What to check for Avondale

Avondale requires annual testing of installed backflow prevention devices and notifies customers when test results become due.

  • Due basis: Avondale says annual testing is required, that customers will be notified when results are due, and that only a Certified Backflow Prevention Assembly Tester approved by the City may test devices in the system.
  • Who is affected: Avondale water customers with required assemblies, especially commercial, multifamily, irrigation, and fire-protection services tied to city water.
  • Program phone: 623-333-4400
Local signals

Signals that matter before you act

  • Only a certified tester approved by the City of Avondale may test devices in the system.
  • Public Works staff file the test results and create the following year's schedule.
  • The city can refuse reports from testing companies that do not keep their documentation current.
Workflow

Avondale workflow order

  1. Check the Avondale due notice or current record.
  2. Use a tester from the city-approved list.
  3. Make sure the result is filed so the next year's testing cycle stays active.