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
American Sprinkler Repair
Company · Lewisville, TX · < 1 mi

A & A Active Backflow LLC
Company · Testing Verified · Carrollton, TX · 7 mi
“I'm so glad I came across this company to get my backflow testing completed! The company that did it last year is no longer doing it and I was scared that I would miss the deadline to get the test…”
Read more on GoogleJennings Plumbing Services
Company · Testing Verified · Little Elm, TX · 8 mi
“I reached out to Jennings Plumbing through a referral who highly recommended them. I had a leak in my kitchen that needed to be looked at. Timothy arrived on time and was very professional. I…”
Read more on GoogleCasas Irrigation Drainage & More
Company · Frisco, TX · 9 mi
“Carlos and Adrian serviced my irrigation system in my new home. Unfortunately for me, the existing control unit was fried and needed to be completely replaced. Carlos showed me exactly what was wrong…”
Read more on GoogleHardin & Associates Consulting
Company · Carrollton, TX · 9 mi
“This is an excellent place for TCEQ license training. The enrollment process was very easy, all online. Communication leading up to the class was great, the instructor is very knowledgeable and made…”
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Garrison Plumbing Services
Company · Frisco, TX · 9 mi
“I find myself all to often NOT impressed when I must reach out and use a new vendor for service/repair work which needs to be completed at the office. However, today became a much different…”
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Jim's Plumbing Now
Company · Testing Verified · Carrollton, TX · 9 mi
“I had a great experience with Jim’s Plumbing. The service number staff had excellent communication and made scheduling easy from start to finish. The technician, Malik, was professional…”
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Test Gauge & Backflow Supply
Company · Testing Verified · Farmers Branch, TX · 10 mi

GPS Plumbing
Company · Frisco, TX · 10 mi
“We highly recommend Fischer Clements and Nick from GPS Plumbing! They are both professional, friendly, HELPFUL, amazing and patient! The first photo shows our attempt to weld our shower plumbing…”
Read more on GoogleTexas Golden Irrigation & Drainage
Company · Little Elm, TX · 10 mi
“I called Texas Golden Irrigation and Abraham picked up the call immediately and understood quickly what we needed. He provided an estimate over the telephone and he said he would make every effort to…”
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Earl’s Plumbing - West Frisco
Company · Frisco, TX · 11 mi
“Toilet started leaking around the base and in a short time, water was gushing out, flooding the floor. Turned the water off, threw down towels and called Earl's. They put us on the schedule and in…”
Read more on Google
Lux Backflow Inspection, Testing and Repair
Company · Testing Verified · Frisco, TX · 12 mi
DFS Fire Systems, LLC
Company · Testing Verified · Frisco, TX · 12 mi
“I have used DFS three times in the last month. This time I worked with Chance on a fire alarm issue I had at one of my investment properties. Same great experience as I had before- Chance sent a…”
Read more on GoogleAll Test Fire Protection - Backflow Services
Company · Testing Verified · Argyle, TX · 12 mi
“I recently had the pleasure of working with Chris Barrett at All Test Fire Protection, and I couldn’t be more satisfied with the service I received. From the moment I reached out, Chris was…”
Read more on GoogleLux Texas Sprinkler Repair and Drainage
Company · Testing Verified · Frisco, TX · 13 mi
“I very recently used Lux Texas Sprinkler Repair. I contacted the company via the internet and sent a message via their website. To my surprise, I was contacted immediately, which usually doesn’t…”
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DRIP Plumbing
Company · Testing Verified · Denton, TX · 13 mi

Frisco Sprinkler Repair
Company · Frisco, TX · 14 mi
“Gabriel, with Mr Sprinkler Repair did a great job at a fair price. I will be using them again. They repaired a leaking valve box at the street. The company was also efficient at return and answering…”
Read more on GoogleRoto-Rooter Plumbing & Water Cleanup
Company · Testing Verified · Denton, TX · 14 mi

AAA AUGER Plumbing Services
Company · Irving, TX · 16 mi
Spot On Outdoor Services
Company · Testing Verified · Aubrey, TX · 17 mi
Steven's Irrigation and Repair LLC
Company · Testing Verified · Plano, TX · 17 mi
“If you're looking for exceptional irrigation work at a fantastic price, Steven's Irrigation is your hidden gem! Steven helped us with adding a line to our sprinkler system for foundation watering and…”
Read more on GoogleHelpful 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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