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Lewisville backflow reporting portal

Use this page when a notice for Lewisville mentions BSI, SwiftComply, WEIRS, VEPO, a customer portal, or online backflow test report submission.

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

Use this page when a notice for Lewisville mentions BSI, SwiftComply, WEIRS, VEPO, a customer portal, or online backflow test report submission.

  • 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.
  • Who is affected: Irrigation, fire sprinkler, commercial, industrial, multi-family, and other properties the City deems a cross-connection hazard.
  • Program phone: 972-219-3400
Local signals

Signals that matter before you act

  • Lewisville backflow testing program page - program page
  • Lewisville tester registration portal - tester registration
  • BSI Online submission portal - submission portal
  • 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.
  • Program phone: 972-219-3400
Workflow

Lewisville workflow order

  1. Confirm the property falls into one of Lewisville's listed hazard categories or has received a City notice.
  2. Use a Texas-licensed tester who is currently registered with the City of Lewisville.
  3. Submit the completed test through BSI Online within ten days of the test date.
  4. Use the tester list carefully, because not every tester is licensed for every assembly type.