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Fresno fire-line backflow testing

Fresno is not as fire-line explicit as some Texas or Florida utilities, but protected service connections still fit the same city backflow management program.

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City: Fresno Utility: City of Fresno Water Division Cross Connection and Backflow Cadence: Annually once the assembly is in the city program Last verified: 2026-06-29
Local answer

What to check for Fresno

Fresno is not as fire-line explicit as some Texas or Florida utilities, but protected service connections still fit the same city backflow management program.

  • Due basis: Fresno says annual tests of backflow devices are mandated to verify they work correctly. The Water Division manages more than 9,700 backflow devices across the city and coordinates planning, installation, and maintenance through the Cross Connection Control program.
  • Who is affected: Fresno water customers with protected service connections, cross-connection hazards, or recycled-water systems that interact with the potable system.
  • Program phone: 559-621-5300
Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to Fresno Water Division and the governing cross-connection program.

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Local signals

Signals that matter before you act

  • The city uses RPP and double-check assemblies as common backflow types.
  • Annual testing and records are still the core compliance story.
  • City-managed records of tests and repairs matter for larger properties.
Workflow

Fresno workflow order

  1. Confirm the protected service connection class.
  2. Use the correct assembly type and qualified tester.
  3. Keep the city-side records complete after testing or repair.