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San Diego fire-line backflow testing

San Diego's public materials keep fire protection and meter protection in the same compliance conversation, which is useful for fire-line intent.

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City: San Diego Utility: City of San Diego Public Utilities Backflow Program Cadence: Upon installation and annually thereafter Last verified: 2026-06-29
Local answer

What to check for San Diego

San Diego's public materials keep fire protection and meter protection in the same compliance conversation, which is useful for fire-line intent.

  • Due basis: San Diego says all backflow devices are tested annually and points customers to the approved tester list when the Public Utilities Department contacts them for compliance.
  • Who is affected: Multi-family, commercial, industrial, dedicated irrigation, and fire-protection services that the Public Utilities Department identifies as requiring backflow protection.
  • Program phone: 858-292-6329
Local signals

Signals that matter before you act

  • The city references fire protection in its device-requirement materials.
  • Backflow preventers must be city-approved and installed according to city standards.
  • Fire-protection and meter-protection questions route through the same cross-connection team.
Workflow

San Diego workflow order

  1. Confirm whether the backflow requirement is tied to fire protection or meter protection.
  2. Use the city's approved standards and list-based tester workflow.
  3. Keep the test and device paperwork aligned with the assigned specialist.