What matters here
Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.
Irrigation
City of Durango Backflow Prevention irrigation backflow rules
Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.
Utility: City of Durango Backflow Prevention
Last verified: 2026-04-05
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.
Highlights
- 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.
Workflow
Workflow
- Confirm whether the irrigation setup includes fertilizer injection or another higher-risk condition.
- Use a Durango-listed tester to inspect the assembly.
- Return the result to the city within five days and keep the record.
Residential
- 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 and managed properties
- 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.
Tester routing
Use the governing authority's official tester list first, then only treat any sponsor placement as secondary routing.
FAQ
Local questions people actually ask
Does City of Durango Backflow Prevention require annual backflow testing?
Upon installation, after repair, and annually. 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 by City of Durango Backflow Prevention backflow rules?
Customers with a city water service where Durango identifies a potential cross connection, including irrigation, heating, beverage, and fire suppression uses.
How do I submit or confirm a backflow test for City of Durango Backflow Prevention?
Use the official utility workflow and submission methods listed on this page: Durango backflow prevention, Durango certified tester list. Program phone: 970-375-4882.
Where should I look for testers for City of Durango Backflow Prevention?
Start with the governing authority's published tester list. This utility has an official approved-tester route and it should be treated as the primary source.
Official sources
Durango backflow prevention
Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.
official program page
Durango cross connection control ordinance
Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.
official ordinance pdf
Durango certified tester list
Durango specifically calls out commercial irrigation systems and irrigation systems with fertilizer injection as examples that require testable assemblies.
official tester list pdf