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San Francisco irrigation backflow testing

San Francisco is useful for irrigation only when a real protected assembly exists and the owner needs a certified tester.

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City: San Francisco Utility: San Francisco Public Utilities Commission Backflow Prevention Program Cadence: On the local certification cycle for protected assemblies Last verified: 2026-06-29
Local answer

What to check for San Francisco

San Francisco is useful for irrigation only when a real protected assembly exists and the owner needs a certified tester.

  • Due basis: San Francisco pushes users to a certified tester list through SF.gov and keeps the utility contact path inside SFPUC channels.
  • Who is affected: SFPUC customers and protected San Francisco properties whose assemblies need a certified tester from the city's accepted list.
  • Program phone: 415-551-4720
Local signals

Signals that matter before you act

  • The official tester list is the strongest public asset.
  • This page captures high-intent routing better than generic irrigation advice.
  • The city utility contact remains available when details are unclear.
Workflow

San Francisco workflow order

  1. Confirm the irrigation assembly needs certification.
  2. Use a certified tester from the official list.
  3. Keep the report within the SFPUC process.