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Avondale fire-line backflow testing

Avondale explicitly requires a double check valve assembly at all fire protection water connections.

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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 explicitly requires a double check valve assembly at all fire protection water connections.

  • 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

  • Fire protection water connections are named directly in the engineering manual.
  • Certified testers recognized by Avondale must handle the annual and initial testing.
  • Device location and installation rules are spelled out in city standards.
Workflow

Avondale workflow order

  1. Confirm the service is a fire protection water connection.
  2. Install the fire-line assembly per city detail.
  3. Use an Avondale-approved tester for the acceptance and annual test cycle.