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Backflow Testing Services

Why Choose OC Property Solutions for Backflow Testing Services?

When it comes to protecting your water supply, you need a team that knows what they’re doing. We’ve spent over a decade testing, inspecting, and certifying backflow systems for homes and businesses using the latest equipment for full compliance with state regulations. Choose OC Property Solutions for backflow testing.

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Kevin Doyle profile picture
Kevin Doyle
September 15, 2026
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Mark was so knowledgeable & extremely honest. Mark was able to help us determine our problem, with a simpler solution. We will definitely be calling OC Property Solutions for our next need. Thank You OC Property Solutions & Mark for your quick response, professionalism & most importantly your honesty.
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Heather Ferguson profile picture
Heather Ferguson
September 9, 2026
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Highly recommend this company! They were quick to get out to a leak issue, inspect the problem and figure out exactly what needed to be done. Price was very reasonable and affordable. Joe and his team showed up on time, work was efficient and clean up was perfect! They were done in about 5 hours inspection and everything! I’m so glad this is done and our problem is solved. Will definitely use this company for future projects and refer to all family and friends. Thank you so much!
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Drake Kelly profile picture
Drake Kelly
September 7, 2026
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The OC Team has been outstanding!
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Michael Shepherd profile picture
Michael Shepherd
August 28, 2026
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Everything went great Joe did a great job with the installation of the hot water tank. Joe and Eric both good people to work with, I would highly recommend them both to others, great job guys.
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Robert Dilorenzo profile picture
Robert Dilorenzo
August 24, 2026
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Great service and fast the very next day. Thank you.
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Susan Lapetina profile picture
Susan Lapetina
August 20, 2026
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Great follow up on prior job. Good communication on the process and expectations.
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Craig Cunningham profile picture
Craig Cunningham
August 20, 2026
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Timely, organized and professional. Joe is very easy to work with and a very nice guy. Thoughtful on his impact to the home and family members. Excellent.
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Amy profile picture
Amy
August 19, 2026
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Joe was helpful & friendly 👍
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Based in Plainfield, IL & Serving the Larger Chicago Southwest Area

Here’s What We Offer with Our Full-Service Backflow Testing

Your plumbing system should always deliver clean and safe water. But without proper backflow prevention, your supply could be at risk. Backflow happens when contaminated water flows back into your clean water supply. It can bring bacteria, chemicals, and other contaminants to your system. 

At OC Property Solutions, we offer backflow testing in Plainfield to detect issues, keep your system compliant, and protect your water supply. We help homeowners and businesses safeguard their water and prevent bigger plumbing emergencies like burst pipe repair or extensive contamination cleanup.

Book a test today to protect your water supply!

Residential Backflow Testing

Your home’s water should always be clean and safe to use. Our backflow testing checks for faulty valves, water pressure issues, and cross-connections that could contaminate your drinking supply.

Commercial Backflow Testing

Backflow issues in commercial buildings can lead to serious health risks and code violations. Our commercial backflow testing guarantees apartment complexes, restaurants, offices, and industrial properties meet local and state compliance requirements.

Backflow Inspection

Even small pressure changes can cause backflow. Our backflow inspection includes a full check of pressure levels, valves, and water supply connections to catch potential problems. We also inspect irrigation systems, sprinkler lines, and plumbing connections.

Backflow Preventers - Device Installation & Repair

A backflow prevention device is your first line of defense against contamination. As a backflow prevention specialist, we install, repair, and replace all backflow preventers, including double-check valves (DCV) and reduced pressure zone (RPZ) assemblies.

Annual Backflow Certification & Compliance Testing

Backflow testing is required by Illinois law for many properties. Our backflow testing services include certification, compliance reports, and annual inspections to keep you up to code.

Schedule Your Backflow Testing with OC Property Solutions!​

Water contamination can happen in an instant, but you can prevent it with the right precautions. Our licensed experts at OC Property Solutions thoroughly test, inspect, and certify your system to ensure it meets safety standards.

Don’t take risks with your drinking water. Schedule your backflow test today!

How Our Backflow Testing Works

Backflow testing isn’t just about checking a valve. Our plumbing backflow testing follows a detailed process to catch potential contamination risks and ensure your system meets Illinois safety standards. Here’s how we do it:

Step 1 – System Inspection & Risk Assessment

We inspect your water lines, sprinkler connections, and pressure valves to find potential weak points. Even a small cross-connection can allow contaminants into your drinking water, so we check every detail carefully. If we find additional plumbing concerns, we’re ready to address them through our full range of plumbing services.

Step 2 – Pressure Testing & Device Evaluation

Water pressure fluctuations can cause backflow without warning. We do pressure testing to ensure proper flow direction and system balance. If your backflow prevention device is worn out or malfunctioning, we’ll recommend repairs or replacements.

Step 3 – Backflow Prevention Device Testing

Your RPZ (Reduced Pressure Zone), DCV (Double Check Valve), or PVB (Pressure Vacuum Breaker) is your first line of defense. We test your backflow preventer to confirm that it’s sealing correctly and preventing contaminated water from flowing backward.

Step 4 – Certification & Compliance Reporting

If your property requires annual backflow testing, we provide official compliance reports for local and state requirements. We’ll walk you through the next steps to get your system back in compliance if repairs are needed.

Backflow Testing FAQs

How do you test a backflow?

Testing a backflow preventer involves having a certified technician using specialized equipment to assess the device’s valves and ensure water flows in the correct direction. The process includes connecting test gauges to the device’s test cocks, closing downstream valves, and observing pressure differences to confirm it works as intended.

Responsibility for backflow testing typically falls on the property owner. However, the lease agreement may specify whether the tenant or landlord is responsible for maintenance tasks like backflow testing in rental situations. It’s important to review the lease terms or consult with the property management to know who should arrange and pay for the testing.

Backflow preventers should be tested annually to ensure they are functioning correctly. Some areas may have specific requirements, so it’s advisable to check with local authorities for exact guidelines.

The device may fail, allowing contaminants to enter the clean water supply, posing health risks. Failing to comply with testing requirements can result in legal penalties, fines, or even disconnection of water service.