Annual testing
Open the annual page when the utility notice is about routine testing, timing, and accepted submission methods.
water utility
Denver Water Cross-Connection Control and Backflow Prevention Program backflow testing requirements
Denver Water is a strong flagship Colorado utility because it publishes the annual reminder cycle, irrigation season rule, reporting path, and an explicit penalty for ignored notices.
Testing cadence: Upon installation and annually thereafter
Last verified: 2026-06-29
Verification code: TL
Freshness window: 45 days
Next-step paths
Start with the page that matches your situation
This page is the rule hub. Use it to confirm the governing utility workflow, then open the focused page that matches the actual situation on site.
Failed test
Open the failed-test page when the device already failed and you need the repair, retest, and reporting order.
Irrigation
Open the irrigation page when the question is tied to sprinkler systems, reclaimed water, or landscape devices.
Fire line
Open the fire-line page when the backflow assembly serves fire protection equipment or a managed commercial site.
Annual or event-based timing
Commercial, industrial, domestic, irrigation, fire-line, and auxiliary-water-supply customers when Denver Water requires an approved assembly.
- 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.
Non-compliance penalties
Denver Water can assess a $250 penalty after three unanswered notification letters and can move service into suspension status when testing or installation is not completed.
- 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.
Compliance workflow
Official workflow
Every focused page on this utility still runs through this authority sequence. Confirm the rule here before you branch into repair, testing, or provider routing.
- Confirm the service is in Denver Water's backflow program.
- Use a certified tester to test the assembly on installation and annually thereafter.
- Send the report to the cross-connection control office.
- If delays are unavoidable, contact Denver Water before the service reaches suspension status.
Source block
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.
- Last verified: 2026-06-29
- Verification code: TL
- Freshness window: 45 days
- Report a correction or stale source
- Denver Water backflow program official program page
- Denver Water test and maintenance report official report form
Submission methods and utility contact
Where the rule applies
- Commercial services
- Industrial services
- Domestic services where the site hazard requires protection
- Irrigation and fire line services
- Sites with an auxiliary water supply
Devices in scope
- Backflow prevention assemblies
- Irrigation RP or PVB devices
- Fire line assemblies
- Domestic containment assemblies
Residential notes
- 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 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.
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.
Need a tester or local help?
No public tester route is live for this utility yet. Stay on the authority workflow and submission methods before treating any outside provider directory as reliable.
Market cost analysis
Local cost band
Typical testing and repair pricing used to frame next-action decisions in the metro around this utility.
Provider browse layer
Public provider direction
Provider routing stays clearly labeled below the official workflow. This block exists to frame public provider discovery without implying authority status.
Local testing profiles
Use provider profiles and metro pages only after confirming the utility workflow and list rules above.
Public directory stays separate
Provider help is reviewed separately from the official utility workflow and never replaces the authority guidance above.