Does City of Lewisville Backflow Testing 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.

Who is affected by City of Lewisville Backflow Testing backflow rules?

Irrigation, fire sprinkler, commercial, industrial, multi-family, and other properties the City deems a cross-connection hazard.

How do I submit or confirm a backflow test for City of Lewisville Backflow Testing?

Use the official utility workflow and submission methods listed on this page: Lewisville backflow testing program page, Lewisville tester registration portal, BSI Online submission portal. Program phone: 972-219-3400.

Which backflow reporting portal does City of Lewisville Backflow Testing use?

The stored submission route is: Lewisville backflow testing program page (program page), Lewisville tester registration portal (tester registration), BSI Online submission portal (submission portal). Follow the utility workflow first because tester enrollment, filing fees, and pass/fail handling can differ by jurisdiction. The matching portal hub on BackflowPath is Compare BSI portal utilities.

Where should I look for testers for City of Lewisville Backflow Testing?

Start with the governing authority's published tester list. This utility has an official approved-tester route and it should be treated as the primary source.

What should I check before scheduling a tester for City of Lewisville Backflow Testing?

Confirm the due basis, property type, device type, and submission method before booking. Then open the official tester-list route, and make sure the report can be filed through the required utility or portal path.

What costs or portal fees should I expect for City of Lewisville Backflow Testing?

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.

Tester city route

Lewisville approved backflow testers

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for Lewisville.

View the official tester list Utility requirements 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

Use this page when the search or notice says approved, certified, registered, or authorized backflow tester for Lewisville.

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

Evidence-backed next step

Use the governing utility workflow

City search demand maps directly to the Lewisville official program and tester list workflow.

View the official tester list Compare BSI portal utilities View the official tester list

Local signals

Signals that matter before you act

Open the Lewisville registered tester list
Confirm tester status on the governing list before treating a provider as approved.
Use the utility workflow for deadlines, report acceptance, and submission requirements.

Workflow

Lewisville workflow order

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

Official source trail

Source-backed utility record

Lewisville publishes one of the clearer municipal backflow pages in Texas: annual testing cadence, an official tester list, a ten-day electronic submission deadline through BSI, a $25 filing fee, and quoted enforcement language from the code.

Lewisville backflow testing page official program page

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Lewisville tester list official list

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BSI Online for Lewisville submissions official tester portal

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