Irrigation city route

Castle Rock irrigation backflow testing

Castle Rock is strong for irrigation because the town calls for periodic testing of irrigation systems and keeps a public certified tester list.

City: Castle Rock Utility: Castle Rock Water Cross-Connection and Backflow Program Cadence: Annually Last verified: 2026-06-29
Local answer

What to check for Castle Rock

Castle Rock is strong for irrigation because the town calls for periodic testing of irrigation systems and keeps a public certified tester list.

  • Due basis: Castle Rock says annual testing is required, compliance is managed by Castle Rock Water, and only certified testers may work in town.
  • Who is affected: Castle Rock Water customers with irrigation, fire suppression, and other protected assemblies that require certified annual testing.
  • Program phone: 720-733-6000
Local signals

Signals that matter before you act

  • Irrigation systems are a clear local trigger.
  • The town discourages bad blowout setups around the backflow device.
  • Certified testers are public and current.
Workflow

Castle Rock workflow order

  1. Confirm the irrigation device and seasonal service plan.
  2. Use a certified tester from the town list.
  3. Keep the annual record current with Castle Rock Water.