Backflow Testing Services in Lewisville, Texas
Finding a reliable backflow testing professional in Lewisville, Texas is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 71 backflow testing companies serving Lewisville and surrounding communities including Flower Mound, Coppell, The Colony.
Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Lewisville area.
Most water authorities in Texas require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.
Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Lewisville directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.
Data source: Google Maps. Always verify licensing with your local water authority.
71 listed providers

Earl's Plumbing
Company · Frisco, TX · 17 mi
“If needed, we will be calling Earl’s Plumbing again. We recently found out we didn’t have a Pressure Reducing Valve (PRV) on our house that was built in 1993. The pressure was way too high coming…”
Read more on GoogleNexLevel Irrigation & Backflow Sprinkler Repair And Backflow Testing
Company · Irving, TX · 18 mi

Service Experts Grand Prairie
Company · Grand Prairie, TX · 18 mi
“Review for Jason H. from Crawford Services I couldn’t be more impressed with the service provided by Jason H. from Crawford Services. From the moment the call was placed, Jason’s response time was…”
Read more on Google
Schrader Plumbing LLC
Company · Testing Verified · North Richland Hills, TX · 19 mi
Diamond Scenery
Individual · Testing Verified · Dallas, TX · 19 mi

Next Day Backflow Testing
Company · Testing Verified · Allen, TX · 19 mi

Smith and Son Plumbing - Water Heater Experts, Slab Leak, Gas Line, PRV Plumbers in McKinney
Company · Testing Verified · McKinney, TX · 19 mi

Richie Backflow Testing
Company · Testing Verified · Dallas, TX · 19 mi
CTX Plumbing & Electrical Company
Company · Testing Verified · Celina, TX · 20 mi
“Where to start....this company is amazing. I texted Austin (a friend of mine) for plumbing advice and before I knew it, I had a scheduled appointment for a plumber to come out 2 days later (it was…”
Read more on Google
Superior Sprinkler Services
Company · Testing Verified · McKinney, TX · 20 mi
“I recently had my sprinkler system repaired, and I couldn't be more impressed with the service I received! From the initial phone call to the completion of the repair, the process was smooth and…”
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Dallas Landscape Inc.
Company · Testing Verified · Dallas, TX · 20 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Lewisville
Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Texas require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in Texas require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Lewisville can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
Some certified testers near Lewisville offer same-day or emergency scheduling for urgent situations such as a failed device, a compliance deadline, or a new construction inspection. Check individual provider listings above for availability, or request a quote to find a tester who can accommodate your schedule.
Look for testers with active state certification, strong Google reviews, and experience with your type of backflow preventer (PVB, DCVA, or RPZ). Ask whether they file compliance reports with your local water authority and request a written estimate before scheduling. Our directory lists testers near Lewisville with real customer reviews.
RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.
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