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Buckeye fire-line backflow testing

Buckeye explicitly carves out engineered fire lines as the place where a double check assembly is used instead of the default RP.

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City: Buckeye Utility: City of Buckeye Environmental Compliance and Backflow Program Cadence: Annually after installation Last verified: 2026-06-29
Local answer

What to check for Buckeye

Buckeye explicitly carves out engineered fire lines as the place where a double check assembly is used instead of the default RP.

  • Due basis: Buckeye says the city sends annual test due notices to backflow assembly users and requires annual testing at hazardous cross-connections under city code and ADEQ rules.
  • Who is affected: Buckeye customers with hazardous cross-connections, including multifamily, commercial, industrial, dedicated irrigation, and engineered fire-line services.
  • Program phone: 623-349-6194
Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to Buckeye's governing backflow and annual due-notice workflow.

Open fire-line workflow
Local signals

Signals that matter before you act

  • Engineered fire lines are named directly on the public page.
  • Fire-line assembly class is different from most other Buckeye hazards.
  • Development work also requires city-witnessed testing and reports.
Workflow

Buckeye workflow order

  1. Confirm the service is an engineered fire line.
  2. Install the correct fire-line assembly class.
  3. Coordinate any development or inspector-witnessed testing with the city.