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Castle Rock fire-line backflow testing

The town treats protected assemblies through the same certified tester and compliance workflow.

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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

The town treats protected assemblies through the same certified tester and compliance workflow.

  • 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

  • Fire suppression assemblies sit inside the town's annual-testing logic.
  • Town-certified testers are public.
  • Certification, calibration, and insurance are part of the accepted tester standard.
Workflow

Castle Rock workflow order

  1. Confirm the fire protection assembly class.
  2. Use a certified tester from the town list.
  3. Keep annual testing current with Castle Rock Water.