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Denver irrigation backflow testing

Denver Water has a clear irrigation testing season and specific accepted assembly types for irrigation protection.

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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

Denver Water has a clear irrigation testing season and specific accepted assembly types for irrigation protection.

  • 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.
  • Notice or device clue: Look for the utility name, service address, assembly serial number, account or notice ID, and due date.
  • Who is affected: Commercial, industrial, domestic, irrigation, fire-line, and auxiliary-water-supply customers when Denver Water requires an approved assembly.
  • Acceptance rule: Use the listed submission method and keep proof that the report was filed with the utility.
  • Report workflow: Denver Water test report email workflow
  • Credential gate: Certified backflow prevention assembly tester status, ABPA or ASSE certification for domestic and irrigation backflow assemblies, State of Colorado Fire Suppression System Contractor-Backflow certification for fire assemblies
  • 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 irrigation workflow
Notice-to-closeout map

Source-backed procedure before the record is treated as closed

This is the working path for Denver notices: match the authority, confirm the tester gate, use the accepted submission route, and keep proof that the report was accepted.

Authority Denver Water Cross-Connection Control and Backflow Prevention Program
Notice trigger Look for the utility name, service address, assembly serial number, account or notice ID, and due date.
Tester gate Confirm tester eligibility with the governing utility before scheduling.
Submission route Denver Water test report email workflow
Proof to keep Use the listed submission method and keep proof that the report was filed with the utility.
Failure branch Open failed-test workflow before treating repair, retest, or resubmission as complete.
Local signals

Signals that matter before you act

  • Irrigation backflow testing season runs from May to September.
  • Irrigation services must use an RP or PVB depending on installation requirements.
  • Denver Water sends a reminder notice before the annual irrigation test is due.
Other Denver routes

Stay inside the city intent cluster

Denver annual backflow testing Denver annual backflow testing: verify who must test, the due-date rule, tester requirements, and the official submission workflow.
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Denver failed backflow test What to do after a failed backflow test in Denver: repair, retest, and confirm accepted report submission with the utility.
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Denver fire-line backflow testing Check Denver fire-line backflow testing triggers, assembly rules, tester requirements, and the official utility workflow.
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Workflow

Denver workflow order

  1. As irrigation season starts, confirm the assembly is ready for testing.
  2. Use the assembly type Denver Water accepts for the installation condition.
  3. Complete the irrigation test when the water is turned on and send the report to Denver Water.
City FAQ

Denver questions before you act

Which utility controls this Denver backflow route?

Denver maps to Denver Water Cross-Connection Control and Backflow Prevention Program. City search demand maps directly to Denver Water's governing program.

What should I verify before scheduling in Denver?

Confirm the due basis, property type, device type, and submission method before booking. Then confirm tester eligibility directly with the utility or portal, and make sure the report can be filed through the required utility or portal path.

Who controls the rule for Denver?

Denver search demand is routed to Denver Water Cross-Connection Control and Backflow Prevention Program. Commercial, industrial, domestic, irrigation, fire-line, and auxiliary-water-supply customers when Denver Water requires an approved assembly.

What costs or fees should I expect for Denver?

Testing is market-priced, but Denver Water adds real compliance cost through penalties and suspension risk. Repair and retest cost varies widely by domestic, irrigation, or fire-line assembly type. The financial risk is not just the tester invoice; it is also Denver Water's penalty and service-interruption exposure.