Backflow Testing Services in Keller, Texas
Finding a reliable backflow testing professional in Keller, Texas is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 23 backflow testing companies serving Keller and surrounding communities including Colleyville, Southlake, North Richland Hills.
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 Keller 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 Keller 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.
23 listed providers

Schrader Plumbing LLC
Testing Verified · North Richland Hills, TX · 6 mi
Calworth Sprinkler Repair Inc.
Testing Verified · Fort Worth, TX · 9 mi

Royal Flush Plumbing
Testing Verified · Fort Worth, TX · 10 mi

Hawk Plumbing Heating & Air Conditioning
Testing Verified · Fort Worth, TX · 11 mi
Roto-Rooter Plumbing, Drains & Water Cleanup
Fort Worth, TX · 11 mi

Ft Worth Backflow Test
Testing Verified · Fort Worth, TX · 13 mi
“Very happy with their work!!! Punctual and professional.”
Read more on Google
Direct Source Plumbing
Arlington, TX · 16 mi
“I had first called 2 other plumbers for a whole house stoppage to come diagnose the problem. The first was at night, charged me an emergency service call fee, arrived and took a quick look at it and…”
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Service Experts Grand Prairie
Grand Prairie, TX · 16 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 GoogleAll Test Fire Protection - Backflow Services
Testing Verified · Argyle, TX · 16 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 GoogleAmerican Sprinkler Repair
Lewisville, TX · 17 mi

Direct Source Plumbing & Drain
Arlington, TX · 18 mi
“I highly recommend this company. They were out the day after I called. The plumber was professional, friendly, and very knowledgeable. The work was completed same day. Thank you for repairing my leak…”
Read more on GoogleSouthern Select Sprinkler Repair
Testing Verified · Fort Worth, TX · 18 mi

Plumbco Services, Inc.
Testing Verified · Forest Hill, TX · 18 mi


Geo-Systems USA
Grand Prairie, TX · 19 mi
“Great company. Even better competitor. Always a pleasure to deal with and they know their stuff. Great option for Fire Pumps or Geo thermal products.”
Read more on GoogleHardin & Associates Consulting
Carrollton, TX · 19 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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A & A Active Backflow LLC
Testing Verified · Carrollton, TX · 19 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…”
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Frequently Asked Questions About Backflow Testing in Keller
If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Keller can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.
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 Keller 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 Keller 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 Keller with real customer reviews.
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