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Irrigation

City of Longmont Backflow Prevention and Cross-Connection Control irrigation backflow rules

Longmont has especially strong irrigation content because DCVAs are no longer approved long term on irrigation lines and failed units must move toward RP protection.

Utility: City of Longmont Backflow Prevention and Cross-Connection Control Last verified: 2026-04-05 Due basis: Longmont requires annual testing by certified testers, says new and replacement assemblies must be tested after installation, and publishes a notice-and-enforcement sequence that starts 45 days before the due date and can escalate to civil penalties and water suspension.
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Direct answer

What matters here

Longmont has especially strong irrigation content because DCVAs are no longer approved long term on irrigation lines and failed units must move toward RP protection.

Due basis: Longmont requires annual testing by certified testers, says new and replacement assemblies must be tested after installation, and publishes a notice-and-enforcement sequence that starts 45 days before the due date and can escalate to civil penalties and water suspension.

Highlights

Highlights

  • Irrigation systems are treated as high-hazard cross-connections.
  • A failed irrigation DCVA must be replaced with an RP within 60 days or repaired on a two-year replacement timeline.
  • The city now routes submission through SwiftComply.
Workflow

Workflow

  1. Confirm whether the irrigation line still has a DCVA.
  2. If it fails, choose repair with timeline or full RP replacement.
  3. Keep the city and SwiftComply record current while the upgrade is completed.
Residential

Residential

  • Longmont is unusually useful for residential pages because the city explicitly mentions irrigation, fire suppression, and boiler scenarios.
  • Single-family homes are not automatically in the program, but the city gives concrete examples of when they are.
Commercial focus

Commercial and managed properties

  • Commercial and multifamily intent is extremely strong because Longmont publishes a real notice, fee, and penalty ladder.
  • This is one of the best non-Texas utility pages for recurring commercial lead intent.
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.

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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 City of Longmont Backflow Prevention and Cross-Connection Control require annual backflow testing?

Annually with utility due dates between April and September. Longmont requires annual testing by certified testers, says new and replacement assemblies must be tested after installation, and publishes a notice-and-enforcement sequence that starts 45 days before the due date and can escalate to civil penalties and water suspension.

Who is affected by City of Longmont Backflow Prevention and Cross-Connection Control backflow rules?

Longmont customers with backflow assemblies, especially non-single-family properties, irrigation services, and homes with higher-hazard conditions like fire suppression or boilers.

How do I submit or confirm a backflow test for City of Longmont Backflow Prevention and Cross-Connection Control?

Use the official utility workflow and submission methods listed on this page: Longmont backflow prevention program. Program phone: 303-651-8416.

Where should I look for testers for City of Longmont Backflow Prevention and Cross-Connection Control?

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.