FBT

Backflow Testing Services in Cincinnati, Ohio

Finding a reliable backflow testing professional in Cincinnati, Ohio is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 61 backflow testing companies serving Cincinnati and surrounding communities including Fairfield, Hamilton, Mason.

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 Cincinnati 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 Cincinnati 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.

61 listed providers

Services:
AP
13 mi

AA Plumbing

4.3(180)

Company · Fairfield, OH · 13 mi

Website
IP
13 mi

Intertek PSI Cincinnati

3.0(4)

Individual · Cincinnati, OH · 13 mi

Website
DF
14 mi

Dalmatian Fire

3.0(2)

Company · Cincinnati, OH · 14 mi

Website
Ken Neyer Plumbing backflow testing
14 mi

Ken Neyer Plumbing

4.9(772)

Company · Cleves, OH · 14 mi

Backflow TestingPreventer InstallationCommercial

The company came out quickly and the scheduler, Lisa, was so kind and helpful every time I called. My job quickly became way more involved than initially expected due to a very small crack in the tub…

Read more on Google
Website
MR
14 mi

Mr. Rooter Plumbing of Butler and Warren Counties

4.8(133)

Company · West Chester Township, OH · 14 mi

Website
CD
14 mi

Cincinnati Dayton Fire Protection

5.0(1)

Company · Cincinnati, OH · 14 mi

Website
LP
14 mi

LH Plumbing Services LLC

4.8(55)

Company · Fairfield, OH · 14 mi

Website
Dupps Plumbing, Inc. backflow testing
15 mi

Dupps Plumbing, Inc.

4.8(300)

Company · Hamilton, OH · 15 mi

Backflow TestingPreventer InstallationCommercial

We experienced an emergency shower leak that affected our family room ceiling. Dupps promptly responded on a Saturday evening when other companies were only available Monday. Dan arrived on time and…

Read more on Google
Website
CT
15 mi

Call Tim Ryan Inc

4.1(45)

Company · West Chester Township, OH · 15 mi

Website
DR
15 mi

Design Rite Company

3.3(12)

Company · Milford, OH · 15 mi

Website
RP
18 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(965)

Company · Mason, OH · 18 mi

Website
PP
18 mi

Pierce Plumbing, LLC

4.8(20)

Company · Batavia, OH · 18 mi

Website
Backflow Prevention Services backflow testing
Testing Verified
20 mi

Backflow Prevention Services

3.1(8)

Company · Testing Verified · Liberty Township, OH · 20 mi

Backflow TestingPreventer RepairCross-Connection Control

Another great experience in 2025 for a backflow test. Highly recommend Backflow Prevention Services. Responsive, reasonably priced and knowledgeable, Hired to test my irrigation backflow. Tim found a…

Read more on Google
Website

Frequently Asked Questions About Backflow Testing in Cincinnati

Backflow testing in Cincinnati, 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 Cincinnati 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 Cincinnati 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 Cincinnati 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 Cincinnati 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.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.