Backflow Testing Services in Hilliard, Ohio
Finding a reliable backflow testing professional in Hilliard, Ohio is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 20 backflow testing companies serving Hilliard and surrounding communities including Dublin, Upper Arlington, Columbus.
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 Hilliard area.
Most water authorities in Ohio 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 Hilliard 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.
20 listed providers

Custom Care Plumbing, Drains and Construction
Columbus, OH · 4 mi

Backflow Guy
Testing Verified · Columbus, OH · 6 mi
“Richard was a pleasure to work with and I would highly recommend him to anyone needing inspection or repair/replacement of their backflow. His consolation approach was low key, practical and with…”
Read more on GoogleRoto-Rooter Plumbing & Water Cleanup
No reviews yet
Columbus, OH · 7 mi
McDermott Plumbing
Testing Verified · Columbus, OH · 9 mi

Atlas Butler Heating, Cooling & Plumbing
No reviews yet
Testing Verified · Columbus, OH · 9 mi
The Waterworks Plumbing, Drain, Heating & Cooling
Testing Verified · Columbus, OH · 10 mi
Dor-Mar Columbus Heating And Air
Columbus, OH · 10 mi
The Waterworks Plumbing, Drain, Heating & Cooling
Testing Verified · Grove City, OH · 10 mi

Columbus Backflow Testing Company & Fire
Testing Verified · Columbus, OH · 12 mi
“Definitely recommend this company for any of your Fire suppression system needs. Charlie and his team were professional and performed the work quick and efficiently.”
Read more on Google
Calhoun Plumbing
No reviews yet
Testing Verified · Columbus, OH · 12 mi

Fritz Baumann & Sons, Inc.
Columbus, OH · 13 mi
TP Mechanical Contractors
No reviews yet
Testing Verified · Columbus, OH · 13 mi

Amanda Plumbing
No reviews yet
Testing Verified · Delaware, OH · 15 mi
Plumbing & Drain Professionals
Testing Verified · Columbus, OH · 16 mi
D&L Plumbing
No reviews yet
Testing Verified · Westerville, OH · 17 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Hilliard
Many certified backflow testers in Hilliard will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.
Backflow testing in Hilliard, Ohio typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Hilliard area.
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 Hilliard 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 Ohio require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in Ohio require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Hilliard can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
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