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Flagstaff backflow reporting portal

Use this page when a notice for Flagstaff mentions BSI, SwiftComply, WEIRS, VEPO, a customer portal, or online backflow test report submission.

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City: Flagstaff Utility: City of Flagstaff Backflow Prevention Program Cadence: Annually Last verified: 2026-06-29
Local answer

What to check for Flagstaff

Use this page when a notice for Flagstaff mentions BSI, SwiftComply, WEIRS, VEPO, a customer portal, or online backflow test report submission.

  • Due basis: Flagstaff requires annual testing for assemblies in the city program, sends courtesy notices when testing is due, and routes tester result submission through BSI Online or city compliance staff.
  • Who is affected: Flagstaff businesses and protected services with contamination risk, plus irrigation and fire sprinkler assemblies that fall inside the city cross-connection program.
  • Program phone: 928-213-2475
Local signals

Signals that matter before you act

  • Flagstaff backflow prevention page - program page
  • Flagstaff cross-connection ordinance - ordinance
  • Due basis: Flagstaff requires annual testing for assemblies in the city program, sends courtesy notices when testing is due, and routes tester result submission through BSI Online or city compliance staff.
  • Program phone: 928-213-2475
Workflow

Flagstaff workflow order

  1. Check whether the property is inside the Flagstaff cross-connection program.
  2. Confirm whether the assembly is exempt, standard, or fire-sprinkler waiver eligible.
  3. Schedule a certified tester.
  4. Keep annual and repair-triggered results inside the city workflow.