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.

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.

What should I check before scheduling a tester for Denver Water Cross-Connection Control and Backflow Prevention Program?

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.

What costs or portal fees should I expect for Denver Water Cross-Connection Control and Backflow Prevention Program?

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.

Irrigation city route

Denver irrigation backflow testing

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

Open irrigation 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

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.
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 irrigation workflow

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.

Workflow

Denver workflow order

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

Official source trail

Source-backed utility record

Denver Water is one of the clearest Colorado programs because it publishes annual reminder timing, irrigation season rules, a penalty path, and a direct reporting address for the cross-connection office.

Denver Water backflow program official program page

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Denver Water test and maintenance report official report form

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