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Durango utility backflow testing requirements

Durango is an unusually actionable Colorado local page because it publishes the annual cadence, five-day reporting deadline, and direct certified-tester list alongside explicit examples like irrigation, fire suppression, and beverage dispensers.

Last verified2026-06-29
Testing frequencyUpon installation, after repair, and annually
Report routeprogram page
Evidence3 official source link(s)

Fast answer

Who, when, and what device?

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.
Covered devices
Testable backflow prevention assemblies · Commercial irrigation assemblies · Fire suppression assemblies · Service-connection protection devices
Risk if missed
Durango ties the program directly to the city code and expects test reports within five days. Owners are also expected to keep test records for three years, which makes backflow compliance part of the utility's formal record trail.

Exact workflow

Follow the local sequence

  1. 01

    Identify whether the service is irrigation, heating, beverage, fire suppression, or another protected use.

  2. 02

    Choose a tester from Durango's certified list.

  3. 03

    Complete the annual or post-repair test.

  4. 04

    Email the report within five days and retain records for three years.

Tester gate

Who can produce an accepted result?

Confirm tester eligibility directly with City of Durango Backflow Prevention before scheduling.

View the official tester list

Submission route

Where the result goes

Use the official program contact and submission method below.

  • Durango backflow prevention program page
  • Durango certified tester list official tester list

Local detail

Property, device, and enforcement notes

Open the parts that match the property and system. These details stay subordinate to the fast workflow above.

Program and failure notes
  • Durango publishes a five-day reporting deadline.
  • The city links directly to a certified tester list.
  • The public page names exact property and device scenarios instead of speaking in vague generalities.
  • Annual testing is explicit on the public page.
  • Test reports go to [email protected] within five days of the test.
  • Owners must keep reports for three years.
Residential notes
  • Durango is not purely commercial. The public page explicitly mentions residential in-floor heating systems and certain residential irrigation scenarios.
  • Residential users with a protected assembly still have the same annual and post-repair testing expectations.
Commercial notes
  • Durango is commercially attractive because the city spells out exact high-intent use cases like irrigation, beverage, and fire suppression.
  • The five-day reporting deadline makes the compliance path tighter than a generic educational page.
Irrigation

Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.

  • Commercial irrigation is explicitly listed on the page.
  • Fertilizer-injection irrigation systems are named as cross-connection risks.
  • The same annual and five-day reporting rules still apply.
Fire line

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

  • 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.
Cost and fee context

Testing is market-priced, but Durango's five-day report deadline changes how quickly owners need to act after a test.

Repair and retest cost varies by device type and whether the protected use is irrigation, heating, beverage, or fire suppression.

Durango's real value is the specificity of the compliance surface and the official tester route, not a published city price list.

Evidence ledger

Official sources

Durango lists the exact property types that trigger protection, requires annual testing plus five-day report delivery, and links directly to a licensed certified tester list.

BackflowVerdict summarizes these records; the governing entity remains the authority.

Open official program page
  1. 01
    Durango backflow preventionofficial program pageOpen source ↗
  2. 02
    Durango cross connection control ordinanceofficial ordinance pdfOpen source ↗
  3. 03
    Durango certified tester listofficial tester list pdfOpen source ↗

Commercial handoff · separate layer

Still need help after reading the rule?

The request keeps this utility ID and source page with the handoff.

Get help with City of Durango Backflow Prevention