Annual testing
Open the annual page when the utility notice is about routine testing, timing, and accepted submission methods.
municipal utility
City of Lewisville Backflow Testing backflow testing requirements
Lewisville is strong pilot content because it publishes the annual cadence, official tester list, BSI submission deadline, filing fee, and enforcement language on one page.
Testing cadence: At installation and at least once per year thereafter
Last verified: 2026-06-29
Verification code: TL
Freshness window: 45 days
Next-step paths
Start with the page that matches your situation
This page is the rule hub. Use it to confirm the governing utility workflow, then open the focused page that matches the actual situation on site.
Failed test
Open the failed-test page when the device already failed and you need the repair, retest, and reporting order.
Irrigation
Open the irrigation page when the question is tied to sprinkler systems, reclaimed water, or landscape devices.
Fire line
Open the fire-line page when the backflow assembly serves fire protection equipment or a managed commercial site.
View the official tester list
Use the published tester route after you confirm the rule, due basis, and submission path on this utility page.
Annual or event-based timing
Irrigation, fire sprinkler, commercial, industrial, multi-family, and other properties the City deems a cross-connection hazard.
- 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.
Non-compliance penalties
Lewisville says failure to install, test, and maintain required devices can justify discontinuing water service. The code excerpt on the City page also cites misdemeanor exposure, daily fines of $100 to $1,000, and City recovery of expenses.
- Late reports can miss Lewisville's ten-day submission rule even if the test itself was completed.
- The City warns that not every registered tester can test every assembly type.
- Lewisville's code language includes service shutoff and fine exposure.
Compliance workflow
Official workflow
Every focused page on this utility still runs through this authority sequence. Confirm the rule here before you branch into repair, testing, or provider routing.
- 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.
Source block
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.
- Last verified: 2026-06-29
- Verification code: TL
- Freshness window: 45 days
- Report a correction or stale source
- Lewisville backflow testing page official program page
- Lewisville tester list official list
- BSI Online for Lewisville submissions official tester portal
Submission methods and utility contact
Where the rule applies
- Irrigation systems
- Fire sprinkler systems
- Commercial and industrial facilities
- Multi-family properties
- Properties with boilers, chemical systems, or auxiliary water supplies
Devices in scope
- Backflow prevention assemblies
- Irrigation assemblies
- Fire assembly devices including fire DCDAs when properly licensed
Residential notes
- Residential users usually hit this through irrigation systems and other hazards the City flags at the meter or within the property.
- Not every listed tester can handle every device type, so homeowners need to match the tester to the assembly.
Commercial and managed properties
- Commercial, industrial, multifamily, and managed properties should assume annual testing is part of recurring compliance once the City requires a device.
- Lewisville's code excerpts make service interruption and fine exposure more explicit than many city pages.
FAQ
Local questions people actually ask
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.
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.
Need a tester or local help?
Start with the governing authority's published tester list. Use provider help only after the official rule, due basis, and submission path are clear.
Market cost analysis
Local cost band
Typical testing and repair pricing used to frame next-action decisions in the metro around this utility.
Provider browse layer
Public provider direction
Provider routing stays clearly labeled below the official workflow. This block exists to frame public provider discovery without implying authority status.
Local testing profiles
Use provider profiles and metro pages only after confirming the utility workflow and list rules above.
Public directory stays separate
Provider help is reviewed separately from the official utility workflow and never replaces the authority guidance above.