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San Diego approved backflow testers

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for San Diego.

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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

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for San Diego.

  • 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

  • Open the San Diego approved tester list
  • Confirm tester status on the governing list before treating a provider as approved.
  • Use the utility workflow for deadlines, report acceptance, and submission requirements.
Workflow

San Diego workflow order

  1. If the Public Utilities Department contacts you, confirm which service connection is under the program.
  2. Choose a tester from the approved list.
  3. Complete the installation or annual test under the city's program standards.
  4. Resolve any enforcement notices quickly so the issue does not escalate to fines or shutoff.