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Castle Rock Water Cross-Connection and Backflow Program irrigation backflow rules

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

Utility: Castle Rock Water Cross-Connection and Backflow Program Last verified: 2026-04-05 Due basis: Castle Rock says annual testing is required, compliance is managed by Castle Rock Water, and only certified testers may work in town.
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Direct answer

What matters here

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.

Highlights

Highlights

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

Workflow

  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.
Residential

Residential

  • Residential demand is strongest for irrigation systems and other properties with real protected assemblies.
  • Castle Rock makes the certified tester requirement explicit.
Commercial focus

Commercial and managed properties

  • Commercial value is strong because the town keeps certification, insurance, and calibration expectations visible.
  • This is a good approved-tester route for Colorado expansion.
FAQ

Local questions people actually ask

Does Castle Rock Water Cross-Connection and Backflow Program require annual backflow testing?

Annually. 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 by Castle Rock Water Cross-Connection and Backflow Program backflow rules?

Castle Rock Water customers with irrigation, fire suppression, and other protected assemblies that require certified annual testing.

How do I submit or confirm a backflow test for Castle Rock Water Cross-Connection and Backflow Program?

Use the official utility workflow and submission methods listed on this page: Castle Rock cross-connection and backflow page, Castle Rock tester list PDF. Program phone: 720-733-6000.

Where should I look for testers for Castle Rock Water Cross-Connection and Backflow Program?

Start with the governing authority's published tester list. This utility has an official approved-tester route and it should be treated as the primary source.