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Failed-test city route

Castle Rock failed backflow test

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

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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

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

  • 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

  • Castle Rock says annual testing is required.
  • Only certified testers are permitted in the town program.
  • The public tester list is current and utility-managed.
Workflow

Castle Rock workflow order

  1. Confirm the service is under Castle Rock Water's program.
  2. Choose a certified tester from the town list.
  3. Complete the annual inspection or test.
  4. Keep the utility-side record current.