FBT

Backflow Testing Services in Romeoville, Illinois

Finding a reliable backflow testing professional in Romeoville, Illinois is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 17 backflow testing companies serving Romeoville and surrounding communities including Bolingbrook, Lockport, Plainfield.

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 Romeoville area.

Most water authorities in Illinois 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 Romeoville 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.

17 listed providers

Services:
DRF Water Heating Solutions backflow testing
Testing Verified
9 mi

DRF Water Heating Solutions

4.7(1,336)

Testing Verified · Plainfield, IL · 9 mi

Backflow TestingCommercialEmergency Service
Website
Wiz Plumbing Inc. backflow testing
9 mi

Wiz Plumbing Inc.

4.9(281)

Naperville, IL · 9 mi

RPZ TestingPreventer InstallationCommercial
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
Testing Verified
9 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,514)

Testing Verified · Naperville, IL · 9 mi

Backflow TestingEmergency ServiceSame Day Service
Website
Expert Plumbing Heating & Electrical backflow testing
Testing Verified
10 mi

Expert Plumbing Heating & Electrical

4.7(154)

Testing Verified · Naperville, IL · 10 mi

Backflow TestingEmergency Service
Website
Marquise Plumbing and Backflow backflow testing
Testing Verified
10 mi

Marquise Plumbing and Backflow

4.9(32)

Testing Verified · Naperville, IL · 10 mi

Backflow TestingRPZ Testing
Website
Jim Dhamer Plumbing and Sewer Inc. backflow testing
11 mi

Jim Dhamer Plumbing and Sewer Inc.

4.6(180)

Lisle, IL · 11 mi

Emergency Service
Website
Residential Plumbing backflow testing
Testing Verified
12 mi

Residential Plumbing

4.8(664)

Testing Verified · Oswego, IL · 12 mi

Backflow TestingResidentialSame Day Service
Website
Fire Protection Parts backflow testing
13 mi

Fire Protection Parts

5.0(13)

Naperville, IL · 13 mi

DCVA TestingSame Day Service
Website
D. E. Mathieu Plumbing, Sewer & Water backflow testing
Testing Verified
13 mi

D. E. Mathieu Plumbing, Sewer & Water

5.0(38)

Testing Verified · Warrenville, IL · 13 mi

Backflow TestingPreventer RepairCommercial
Website
Jim Wagner Plumbing, Inc. backflow testing
Testing Verified
14 mi

Jim Wagner Plumbing, Inc.

4.7(675)

Testing Verified · Lombard, IL · 14 mi

Backflow TestingCommercialEmergency Service
Website
RPZ Flow backflow testing
Testing Verified
17 mi

RPZ Flow

5.0(3)

Testing Verified · Frankfort, IL · 17 mi

Backflow TestingCross-Connection Control
Website
Backflow Solutions (BSI Online) backflow testing
Testing Verified
18 mi

Backflow Solutions (BSI Online)

4.7(118)

Testing Verified · Alsip, IL · 18 mi

Backflow TestingCross-Connection ControlEmergency Service
Website
Chicago Backflow Inc. backflow testing
Testing Verified
18 mi

Chicago Backflow Inc.

4.8(50)

Testing Verified · Alsip, IL · 18 mi

Backflow TestingEmergency Service
Website
Complete Backflow Services backflow testing
18 mi

Complete Backflow Services

5.0(1)

Carol Stream, IL · 18 mi

Website
Blue Whale Backflow, Plumbing, & Excavating backflow testing
Testing Verified
18 mi

Blue Whale Backflow, Plumbing, & Excavating

4.5(46)

Testing Verified · Batavia, IL · 18 mi

Backflow TestingCommercialEmergency Service
Website
Northern Illinois Backflow Inc backflow testing
Testing Verified
19 mi

Northern Illinois Backflow Inc

1.0(1)

Testing Verified · West Chicago, IL · 19 mi

Backflow TestingCross-Connection ControlEmergency Service
Website

Frequently Asked Questions About Backflow Testing in Romeoville

Backflow testing in Romeoville, Illinois 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 Romeoville 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 Romeoville 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 Illinois require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Illinois require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Romeoville 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 Romeoville 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.