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Failed-test city route

Mesa failed backflow test

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

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City: Mesa Utility: Mesa Water Resources Backflow Prevention Cadence: Upon installation and annually thereafter Last verified: 2026-06-29
Local answer

What to check for Mesa

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

  • Due basis: Mesa sends annual notices to regulated customers, requires recognized testers to submit results through the backflow portal within seven days of service, and requires immediate retesting after repair or maintenance.
  • Who is affected: Commercial, industrial, irrigation, fire-sprinkler, and dedicated-landscape-meter customers, plus residential sites that city code and plumbing rules identify as cross-connection hazards.
  • Program phone: 480-644-6462
Local signals

Signals that matter before you act

  • Mesa uses a seven-day result-submission window.
  • Repairs trigger an immediate retest expectation.
  • Residential irrigation and fire-service contexts both appear in the official program.
Workflow

Mesa workflow order

  1. Identify whether the property or device is already in Mesa's regulated-customer pool.
  2. Use a recognized tester from the city resources.
  3. Upload the test through the portal within seven days of service.
  4. If the assembly was repaired, retest immediately and keep the replacement data aligned with Mesa's record.