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Submit Thornton BSI backflow test reports

Use this page when the notice or tester workflow is about submitting, uploading, filing, or confirming a backflow test report for Thornton.

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City: Thornton Utility: City of Thornton Cross Connections and Backflow Prevention Cadence: At installation and at least annually after that Last verified: 2026-06-29
Local answer

What to check for Thornton

Use this page when the notice or tester workflow is about submitting, uploading, filing, or confirming a backflow test report for Thornton.

  • Due basis: Thornton says commercial, industrial, and non-single-family residences must have approved devices installed and tested annually. Test results must be submitted online to Backflow Solutions before the annual due date.
  • Notice or device clue: Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
  • Who is affected: Thornton commercial, industrial, irrigation, and non-single-family properties plus any service where the city identifies a cross-connection risk.
  • Acceptance rule: Report acceptance depends on using the named portal or online submission path; keep proof that the report was submitted.
  • Program phone: 720-977-6586
Notice-to-closeout map

Source-backed procedure before the record is treated as closed

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

Authority City of Thornton Cross Connections and Backflow Prevention
Notice trigger Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
Tester gate Confirm tester eligibility with the governing utility before scheduling.
Submission route Thornton cross connections and backflow prevention (program page)
Proof to keep Report acceptance depends on using the named portal or online submission path; keep proof that the report was submitted.
Failure branch Open failed-test workflow before treating repair, retest, or resubmission as complete.
Local signals

Signals that matter before you act

  • Submission path: Thornton cross connections and backflow prevention - program page
  • Submission path: Thornton backflow brochure - program brochure
  • Notice or device clue: Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
  • Tester gate: 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.
  • Report acceptance: Report acceptance depends on using the named portal or online submission path; keep proof that the report was submitted.
  • Due basis: Thornton says commercial, industrial, and non-single-family residences must have approved devices installed and tested annually. Test results must be submitted online to Backflow Solutions before the annual due date.
Submission packet

What the report needs before it can count

Use this as the working checklist for the owner, tester, or property manager before treating a passed field test as a completed compliance cycle.

Before filing

Match the notice record

  • Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
  • Service address, device type, due date, and utility name must match the notice.
  • Use the utility workflow before relying on a generic tester search.
Filing gate

Confirm the accepted route

  • Thornton cross connections and backflow prevention (program page)
  • Thornton backflow brochure (program brochure)
  • Confirm tester eligibility with the utility or portal.
After filing

Keep acceptance proof

  • Report acceptance depends on using the named portal or online submission path; keep proof that the report was submitted.
  • Keep portal confirmation, email receipt, account history, or accepted report record.
  • If the assembly failed, use the failed-test workflow before assuming the case is closed.
Failed-test workflow
Workflow

Thornton workflow order

  1. Match the utility notice to the service address, device or assembly record, and due date.
  2. Confirm tester eligibility with the utility or portal before treating the report as accepted.
  3. File the result through the stored submission path: Thornton cross connections and backflow prevention, Thornton backflow brochure.
  4. Keep proof that the report was submitted and accepted; a passed field test alone may not close the compliance cycle.
  5. If the assembly failed, follow the repair, retest, and resubmission sequence before assuming compliance is restored.
City FAQ

Thornton questions before you act

How do I submit a backflow test report for Thornton?

Use the official utility workflow and submission methods listed on this page: Thornton cross connections and backflow prevention, Thornton backflow brochure. Program phone: 720-977-6586. Report acceptance depends on using the named portal or online submission path; keep proof that the report was submitted.

What information should be ready before filing the Thornton report?

Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder. Also keep the due date, service address, tester credential status, device type, and proof of submission.

Does the tester or owner submit the Thornton report?

The field tester often controls portal entry, but the owner should keep the notice, due date, and proof that the report was accepted by City of Thornton Cross Connections and Backflow Prevention.

Who controls the rule for Thornton?

Thornton search demand is routed to City of Thornton Cross Connections and Backflow Prevention. Thornton commercial, industrial, irrigation, and non-single-family properties plus any service where the city identifies a cross-connection risk.

What costs or fees should I expect for Thornton?

Testing is market-priced, but Thornton adds a clear reporting path and annual deadline discipline. Repair and retest costs vary by assembly type and whether the property is commercial, multifamily, or irrigation-heavy. The main value is clean routing into the city-required reporting path.