Irrigation city route

Aspen irrigation backflow testing

Aspen publicly calls out irrigation systems as common cross-connections and says irrigation systems generally require a vacuum breaker.

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 publicly calls out irrigation systems as common cross-connections and says irrigation systems generally require a vacuum breaker.

  • 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

  • The city lists irrigation systems among common cross-connection examples.
  • Aspen's public guidance says irrigation systems generally use a vacuum breaker.
  • Residential lawn sprinkler systems are a specific example of an isolation device.
Workflow

Aspen workflow order

  1. Confirm whether the assembly protects a lawn sprinkler or broader irrigation system.
  2. Use the device type Aspen's guidance expects for irrigation.
  3. Keep the annual test current through Aspen's tester and BSI workflow.