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Backflow Testing Services in Westerville, Ohio

Finding a reliable backflow testing professional in Westerville, Ohio is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 22 backflow testing companies serving Westerville and surrounding communities including Gahanna, Dublin, Upper Arlington.

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 Westerville 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 Westerville 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.

22 listed providers

Services:
AO
1 mi

APHC of Central Ohio

No reviews yet

Westerville, OH · 1 mi

Website
Columbus Backflow Testing Company & Fire backflow testing
Testing Verified
3 mi

Columbus Backflow Testing Company & Fire

5.0(11)

Testing Verified · Columbus, OH · 3 mi

Backflow Testing

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
Website
D&L Plumbing backflow testing
Testing Verified
4 mi

D&L Plumbing

No reviews yet

Testing Verified · Westerville, OH · 4 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
The Waterworks Plumbing, Drain, Heating & Cooling backflow testing
Testing Verified
4 mi

The Waterworks Plumbing, Drain, Heating & Cooling

4.7(2,143)

Testing Verified · Columbus, OH · 4 mi

Backflow TestingCommercialEmergency Service
Website
Atlas Butler Heating, Cooling & Plumbing backflow testing
Testing Verified
5 mi

Atlas Butler Heating, Cooling & Plumbing

No reviews yet

Testing Verified · Columbus, OH · 5 mi

Backflow TestingEmergency Service
Website
Backflow Guy backflow testing
Testing Verified
7 mi

Backflow Guy

4.1(18)

Testing Verified · Columbus, OH · 7 mi

Backflow TestingSprinkler BackflowCommercial

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 Google
Website
MP
Testing Verified
9 mi

McDermott Plumbing

4.4(17)

Testing Verified · Columbus, OH · 9 mi

Backflow TestingResidentialSame Day Service
Website
Amanda Plumbing backflow testing
Testing Verified
9 mi

Amanda Plumbing

No reviews yet

Testing Verified · Delaware, OH · 9 mi

Backflow TestingPreventer RepairCommercial
Website
S.A. Comunale Co., Inc. backflow testing
10 mi

S.A. Comunale Co., Inc.

3.1(9)

Columbus, OH · 10 mi

Emergency Service
Website
Plumbing & Drain Professionals backflow testing
Testing Verified
10 mi

Plumbing & Drain Professionals

4.9(522)

Testing Verified · Columbus, OH · 10 mi

Backflow TestingCommercialEmergency Service
Website
Mr. Rooter Plumbing of Columbus backflow testing
11 mi

Mr. Rooter Plumbing of Columbus

No reviews yet

Blacklick, OH · 11 mi

Emergency Service
Website
Dor-Mar Columbus Heating And Air backflow testing
12 mi

Dor-Mar Columbus Heating And Air

4.8(592)

Columbus, OH · 12 mi

ResidentialEmergency ServiceFree Estimates
Website
Columbus Water backflow testing
12 mi

Columbus Water

2.0(5)

Columbus, OH · 12 mi

Emergency Service
Website
Custom Care Plumbing, Drains and Construction backflow testing
13 mi

Custom Care Plumbing, Drains and Construction

4.4(49)

Columbus, OH · 13 mi

CommercialResidentialEmergency Service
Website
TP Mechanical Contractors backflow testing
Testing Verified
13 mi

TP Mechanical Contractors

No reviews yet

Testing Verified · Columbus, OH · 13 mi

Backflow TestingEmergency Service
Website
Fritz Baumann & Sons, Inc. backflow testing
13 mi

Fritz Baumann & Sons, Inc.

4.8(260)

Columbus, OH · 13 mi

Preventer InstallationFree EstimatesSame Day Service
Website
Calhoun Plumbing backflow testing
Testing Verified
13 mi

Calhoun Plumbing

No reviews yet

Testing Verified · Columbus, OH · 13 mi

Backflow TestingEmergency ServiceFree Estimates
Website
Accurate Plumbing backflow testing
14 mi

Accurate Plumbing

4.8(116)

Dublin, OH · 14 mi

Emergency Service
Website
The Waterworks Plumbing, Drain, Heating & Cooling backflow testing
Testing Verified
16 mi

The Waterworks Plumbing, Drain, Heating & Cooling

4.8(481)

Testing Verified · Grove City, OH · 16 mi

Backflow TestingCommercialEmergency Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
16 mi

Roto-Rooter Plumbing & Water Cleanup

No reviews yet

Columbus, OH · 16 mi

CommercialResidentialEmergency Service
Website
Plumbing One, LLC backflow testing
Testing Verified
17 mi

Plumbing One, LLC

4.9(281)

Testing Verified · Pickerington, OH · 17 mi

Backflow TestingFree Estimates
Website
Backflow Pros backflow testing
Testing Verified
17 mi

Backflow Pros

5.0(3)

Testing Verified · Delaware, OH · 17 mi

Backflow TestingDCVA TestingPreventer Installation
Website

Frequently Asked Questions About Backflow Testing in Westerville

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.

Most jurisdictions in Ohio require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.

Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Westerville often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.

Many certified backflow testers in Westerville 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 Westerville, 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 Westerville area.

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