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Lewisville annual backflow testing

Lewisville publishes one of the cleanest annual-testing workflows in the pilot set: test at installation and at least once per year thereafter, then submit electronically through BSI within ten days.

Open annual testing workflow Utility requirements Find from notice Request local help
City: Lewisville Utility: City of Lewisville Backflow Testing Cadence: At installation and at least once per year thereafter Last verified: 2026-06-29
Local answer

What to check for Lewisville

Lewisville publishes one of the cleanest annual-testing workflows in the pilot set: test at installation and at least once per year thereafter, then submit electronically through BSI within ten days.

  • Due basis: Lewisville says backflow prevention assemblies must be tested at installation and at least once per year thereafter by a licensed tester registered with the City. Test reports must be submitted electronically through BSI Online within ten days of the test date.
  • Notice or device clue: Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
  • Who is affected: Irrigation, fire sprinkler, commercial, industrial, multi-family, and other properties the City deems a cross-connection hazard.
  • Acceptance rule: Report acceptance depends on the named portal and the utility-approved tester route; keep proof that the report was submitted.
  • Report workflow: BSI Online submission portal
  • Report timing: Report due within 10 days after testing.
  • Credential gate: Texas tester license, City of Lewisville tester registration
  • Program phone: 972-219-3400
Notice-to-closeout map

Source-backed procedure before the record is treated as closed

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

Authority City of Lewisville Backflow Testing
Notice trigger Look for the CCN, account number, BSI record, device ID, or assembly serial from the reminder.
Tester gate View the official tester list
Submission route BSI Online submission portal
Proof to keep Report acceptance depends on the named portal and the utility-approved tester route; 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

  • At least annual after installation is the baseline rule.
  • BSI submission must happen within ten days of the test date.
  • Lewisville also adds a $25 filing fee per test submission.
Other Lewisville routes

Stay inside the city intent cluster

Lewisville BSI backflow reporting portal Find the Lewisville BSI backflow report route, notice or device identifiers, tester gate, and proof of accepted submission.
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Submit Lewisville BSI backflow test reports How to submit a backflow test report in Lewisville through BSI, including notice clues, tester requirements, and accepted filing proof.
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Lewisville approved backflow testers Find the official Lewisville approved backflow tester route and confirm utility registration, credentials, and report submission requirements.
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Lewisville failed backflow test What to do after a failed backflow test in Lewisville: repair, retest, and confirm accepted report submission with the utility.
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Lewisville irrigation backflow testing Check Lewisville irrigation backflow testing triggers, device rules, tester requirements, and the official utility workflow.
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Lewisville fire-line backflow testing Check Lewisville fire-line backflow testing triggers, assembly rules, tester requirements, and the official utility workflow.
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Workflow

Lewisville workflow order

  1. Confirm the property falls into a category where Lewisville requires an assembly.
  2. Use a Texas-licensed tester who is currently registered with the City of Lewisville.
  3. Submit the completed report through BSI Online within ten days.
  4. If the tester cannot legally handle the device type, switch before the deadline slips.
City FAQ

Lewisville questions before you act

Does Lewisville require annual backflow testing?

At installation and at least once per year thereafter Lewisville says backflow prevention assemblies must be tested at installation and at least once per year thereafter by a licensed tester registered with the City. Test reports must be submitted electronically through BSI Online within ten days of the test date.

What should I check on an annual notice for Lewisville?

Check the due date, service address, device record, accepted tester route, and submission method before scheduling.

Who controls the rule for Lewisville?

Lewisville search demand is routed to City of Lewisville Backflow Testing. Irrigation, fire sprinkler, commercial, industrial, multi-family, and other properties the City deems a cross-connection hazard.

What costs or fees should I expect for Lewisville?

Consumer testing price is market-based, but Lewisville adds a $25 City filing fee per test submission. Repair and retest pricing depends on assembly type, especially when fire assemblies or larger commercial systems are involved. Lewisville is unusually transparent about the City fee layered on top of the private tester invoice.