Annual city route

Aspen annual backflow testing

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

City: Aspen Utility: City of Aspen Cross Connection Control AKA Backflow Prevention Program Cadence: At least annually, plus on installation and after repair Last verified: 2026-06-29
Local answer

What to check for Aspen

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.
  • Who is affected: Commercial, multi-family, irrigation, fire-system, and other protected water services inside Aspen's cross-connection control program.
  • Program phone: 970-920-5110
Local signals

Signals that matter before you act

  • 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

Aspen workflow order

  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.