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Annual testing

City of Aspen Cross Connection Control AKA Backflow Prevention Program annual backflow testing

Aspen requires annual testing, reminder notices before the anniversary date, and tester result submission through BSI.

Utility: City of Aspen Cross Connection Control AKA Backflow Prevention Program Last verified: 2026-04-05 Due basis: Aspen says initial notifications now come directly from BSI and testers are required to submit reports online through BSI. The city also says containment devices are tested at least annually and residents receive a reminder before the anniversary of the test date.
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Direct answer

What matters here

Aspen requires annual testing, reminder notices before the anniversary date, and tester result submission through BSI.

Due basis: Aspen says initial notifications now come directly from BSI and testers are required to submit reports online through BSI. The city also says containment devices are tested at least annually and residents receive a reminder before the anniversary of the test date.

Highlights

Highlights

  • Initial notifications now come directly from BSI.
  • Backflow testers are required to submit reports through the BSI portal.
  • Residents still choose their preferred certified tester from the city's list.
Workflow

Workflow

  1. Watch for Aspen or BSI's reminder ahead of the anniversary date.
  2. Choose a certified tester from Aspen's list.
  3. Have the tester submit the report through BSI and keep the device current for the next cycle.
Residential

Residential

  • Aspen explicitly mentions residential lawn sprinkler systems as an isolation-device example.
  • Residential users are not outside the system if they have irrigation or another protected cross-connection risk.
Commercial focus

Commercial and managed properties

  • Commercial and multi-family accounts have been in Aspen's containment program for years and sit on a clear annual cadence.
  • The BSI workflow makes Aspen operationally stronger than a generic city explainer page.
FAQ

Local questions people actually ask

Does City of Aspen Cross Connection Control AKA Backflow Prevention Program require annual backflow testing?

At least annually, plus on installation and after repair. Aspen says initial notifications now come directly from BSI and testers are required to submit reports online through BSI. The city also says containment devices are tested at least annually and residents receive a reminder before the anniversary of the test date.

Who is affected by City of Aspen Cross Connection Control AKA Backflow Prevention Program backflow rules?

Commercial, multi-family, irrigation, fire-system, and other protected water services inside Aspen's cross-connection control program.

How do I submit or confirm a backflow test for City of Aspen Cross Connection Control AKA Backflow Prevention Program?

Use the official utility workflow and submission methods listed on this page: Aspen cross connection control program, BSI Online tester portal, Aspen flyer and tester list. Program phone: 970-920-5110.

Where should I look for testers for City of Aspen Cross Connection Control AKA Backflow Prevention Program?

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.