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Annual testing

Denver Water Cross-Connection Control and Backflow Prevention Program annual backflow testing

Denver Water requires certified testers to test assemblies on installation and annually thereafter, then report the results to the cross-connection control office.

Utility: Denver Water Cross-Connection Control and Backflow Prevention Program Last verified: 2026-04-04 Due basis: Denver Water sends a testing reminder 30 days before the annual test is due, expects certified testers to report results to the Cross-Connection Control office, and can assess a $250 penalty after repeated ignored notices.
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Direct answer

What matters here

Denver Water requires certified testers to test assemblies on installation and annually thereafter, then report the results to the cross-connection control office.

Due basis: Denver Water sends a testing reminder 30 days before the annual test is due, expects certified testers to report results to the Cross-Connection Control office, and can assess a $250 penalty after repeated ignored notices.

Highlights

Highlights

  • The utility sends reminder notices 30 days before the annual due date.
  • Test reports are sent to the cross-connection control office.
  • A penalty path exists after repeated ignored notices.
Workflow

Workflow

  1. Watch for Denver Water's annual reminder.
  2. Use a certified tester to complete the test.
  3. Submit the test report to the cross-connection control office before the service moves toward suspension.
Residential

Residential

  • Denver Water can pull domestic services into the program when the site hazard justifies it, so residential users should not assume the rules are only commercial.
  • Residential irrigation assemblies have their own seasonal testing rhythm when the water is turned on.
Commercial focus

Commercial and managed properties

  • Commercial and industrial services are clearly inside the Denver Water program and are a strong fit for next-action pages.
  • The penalty path makes Denver more commercially urgent than a generic educational page.
Next step

Tester routing

No public tester route is live for this utility yet. Stay on the official program path and confirm the scope directly with the utility.

Open the official program page Save request for follow-up

No active sponsor is mapped to this utility yet, so request submissions are stored for follow-up only.

FAQ

Local questions people actually ask

Does Denver Water Cross-Connection Control and Backflow Prevention Program require annual backflow testing?

Upon installation and annually thereafter. Denver Water sends a testing reminder 30 days before the annual test is due, expects certified testers to report results to the Cross-Connection Control office, and can assess a $250 penalty after repeated ignored notices.

Who is affected by Denver Water Cross-Connection Control and Backflow Prevention Program backflow rules?

Commercial, industrial, domestic, irrigation, fire-line, and auxiliary-water-supply customers when Denver Water requires an approved assembly.

How do I submit or confirm a backflow test for Denver Water Cross-Connection Control and Backflow Prevention Program?

Use the official utility workflow and submission methods listed on this page: Denver Water backflow program, Denver Water test and maintenance report. Program phone: 303-893-2444.

Where should I look for testers for Denver Water Cross-Connection Control and Backflow Prevention Program?

No public tester directory is live for this utility yet. Use the official utility page first and do not infer approval from a generic directory.