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Durango fire-line backflow testing

Durango directly includes fire suppression systems in its public examples, which makes fire intent part of the real local compliance surface.

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City: Durango Utility: City of Durango Backflow Prevention Cadence: Upon installation, after repair, and annually Last verified: 2026-06-29
Local answer

What to check for Durango

Durango directly includes fire suppression systems in its public examples, which makes fire intent part of the real local compliance surface.

  • Due basis: Durango says backflow preventers are required to be tested upon installation, after any repairs, and once annually. All test reports must be emailed to [email protected] within five days, and property owners must keep reports for three years.
  • Who is affected: Customers with a city water service where Durango identifies a potential cross connection, including irrigation, heating, beverage, and fire suppression uses.
  • Program phone: 970-375-4882
Local signals

Signals that matter before you act

  • Fire suppression systems are listed among the uses that require protection.
  • The city links to a certified tester list from the same page.
  • Fire-related assemblies still sit inside the annual and post-repair testing rule.
Workflow

Durango workflow order

  1. Confirm whether the protected assembly is tied to fire suppression.
  2. Use a certified tester from Durango's list.
  3. Keep the testing and reporting cycle current so the utility record stays clean.