BackflowPath Local backflow requirements
Request help
Menu
Request help
Failed-test city route

Denver failed backflow test

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

Open failed-test workflow Utility requirements Request local help
City: Denver Utility: Denver Water Cross-Connection Control and Backflow Prevention Program Cadence: Upon installation and annually thereafter Last verified: 2026-06-29
Local answer

What to check for Denver

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

  • 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.
  • Who is affected: Commercial, industrial, domestic, irrigation, fire-line, and auxiliary-water-supply customers when Denver Water requires an approved assembly.
  • Program phone: 303-893-2444
Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to Denver Water's governing program.

Open failed-test workflow
Local signals

Signals that matter before you act

  • Denver Water sends reminder letters and can assess a $250 penalty.
  • Irrigation testing is seasonal rather than generic year-round filler.
  • Fire-line and auxiliary-water cases are explicitly called out in the public program.
Workflow

Denver workflow order

  1. Confirm the service is in Denver Water's backflow program.
  2. Use a certified tester to test the assembly on installation and annually thereafter.
  3. Send the report to the cross-connection control office.
  4. If delays are unavoidable, contact Denver Water before the service reaches suspension status.