Backflow Testing & Certification Services in Columbus, Ohio

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Certified Backflow Testing to Protect Your Water Supply
Backflow testing is a mandatory annual requirement to ensure that your drinking water remains safe from contamination. If your backflow prevention device hasn’t been tested or certified, you risk water shutoff by local authorities.
At The Waterworks, we provide certified backflow testing, certification, and repairs for homeowners, businesses, and municipal facilities across Columbus and Central Ohio. Our team ensures that your backflow preventers comply with all local and federal regulations, keeping your water supply safe and contaminant-free.
Call us today to schedule your annual backflow testing and stay in compliance!
What Are the Legal Requirements for Backflow Testing?
Federal and Ohio state laws require that all backflow prevention devices be tested annually by a certified backflow tester. These regulations help prevent contaminants, pesticides, and chemicals from entering the drinking water supply.
If your backflow device is not tested, local authorities may shut off your water supply. Each device has a unique serial number for tracking, and all testing and repairs must be completed by the property owner.
At The Waterworks, we make the process easy and hassle-free by handling:
- Certified backflow testing
- Official documentation & compliance reporting
- Backflow device repairs and replacements (if needed)
We provide same-day testing and repairs, so you can stay compliant and keep your water safe.
Why Is Backflow Testing Important?
Backflow prevention devices protect public and private water supplies from contamination caused by:
- Pesticides & Fertilizers from irrigation systems
- Chemicals & Industrial Waste from businesses and manufacturing facilities
- Sewage & Wastewater from damaged plumbing lines
- Fire Suppression Systems that can allow stagnant water to enter drinking supplies
Benefits of Annual Backflow Testing
- Protects your home or business from water contamination
- Prevents serious health risks from chemicals & bacteria
- Ensures compliance with Ohio state and federal regulations
- Avoids costly fines or water shutoffs
If you have a sprinkler system, irrigation system, or fire suppression system, backflow testing is required to prevent contaminants from entering the municipal water supply.
What Is Backflow & How Does It Happen?
Backflow occurs when water flows in the opposite direction than intended, allowing contaminants to enter the clean water supply. This typically happens when there is:
- A sudden drop in water pressure (such as a water main break or high demand)
- Cross-connections between potable and non-potable water sources
- Improperly installed backflow preventers
A properly installed backflow preventer acts as a barrier, stopping pesticides, chemicals, and waste materials from contaminating your water supply.
What Happens During a Backflow Test?
During a backflow test, The Waterworks’ certified technicians will:
- Shut off the water supply to inspect the backflow prevention device.
- Check test cocks and shutoff valves to ensure proper function.
- Use specialized pressure gauges to measure differential pressure readings.
- Identify leaks, pressure issues, or faulty components.
If any issues are detected, our team can immediately perform the necessary repairs—saving you time and money.
Unlike some companies that only certify devices, The Waterworks provides both testing and repair services in a single visit.
Our Backflow Testing & Repair Services
We offer comprehensive backflow prevention solutions for:
1. Residential Backflow Testing
- Required for sprinkler systems, private wells, and irrigation systems.
- Ensures compliance with Ohio EPA regulations.
- Fast and hassle-free scheduling.
2. Commercial & Industrial Backflow Testing
- Annual testing for fire suppression systems, medical facilities, restaurants, and more.
- Official certification submission to local water authorities.
- Immediate repairs to prevent compliance issues.
3. Backflow Preventer Repair & Replacement
- Repairing damaged valves, seals, and test cocks.
- Installing new backflow prevention devices when needed.
- Ensuring full compliance with state & local regulations.
If your backflow device fails the test, we’ll fix it immediately—so you don’t have to schedule a second appointment.
Why Choose The Waterworks for Backflow Testing?
For nearly 40 years, The Waterworks has been Columbus, Ohio’s trusted plumbing company for backflow testing and certification. Here’s why homeowners and businesses rely on us:
- Certified Backflow Testing Experts – Fully licensed to test, certify, and repair backflow prevention devices.
- Full-Service Repairs – We don’t just test; we fix any issues found during the inspection.
- Transparent Pricing – Upfront costs with no hidden fees.
- Quick & Hassle-Free Service – Fast scheduling, reliable results, and compliance documentation.
- Same-Day Service Available – Avoid fines and water shutoffs with quick testing and certification.
We handle all testing, paperwork, and certification reporting, ensuring your water system stays in compliance.
Proudly Serving Columbus & Central Ohio
The Waterworks provides backflow testing and certification services across Franklin, Delaware, Licking, Fairfield, Pickaway, Madison, and Union counties. Our service areas include:
- Columbus
- Dublin
- Westerville
- Gahanna
- Hilliard
- Newark
- Pickerington
- Powell
- Reynoldsburg
- Upper Arlington
- Grove City
- Grandview Heights
- Bexley
- Beechwold
- Blacklick
- Clintonville
- German Village
- Lewis Center
- London
- Polaris
- Short North
- Victorian Village
If your property requires annual backflow testing, we’re just a phone call away.
Schedule Your Backflow Testing & Certification Today
Stay compliant with local regulations and protect your drinking water with certified backflow testing from The Waterworks. Whether you need annual testing, certification, or repairs, we’re here to help.
Call us today to schedule your backflow test and ensure your water is safe!
Since 1986, The Waterworks Plumbing, Drain, Heating & Cooling has been the trusted choice for homeowners and businesses across Central Ohio. Our unwavering dedication to providing reliable, top-quality plumbing, drain, and HVAC services has earned us the trust of our community and numerous five-star reviews. Discover why our customers continue to rely on us for all their service needs.
Todd and The Waterworks performed another 5 star service. Greatly appreciate their plumbing and HVAC services.
On a Tuesday evening at 5pm, we described the problem to Waterworks expecting to have to wait a couple of weeks for an appointment. Instead, they were able to get us on the schedule for Thursday afternoon (only 2 days later)! That day, Brian, our plumber, called and texted to say he when he would arrive, and he did right on schedule. He looked at the problem and identified a couple of different ways it could be handled. Then, Brian looked at pricing for each option to determine the one that was most long lasting yet cost effective. He then worked quickly but carefully to complete the job. And Brian did a great job cleaning up! Couldn't be happier with the job.
Very professional, top-notch service. We had an issue with our sump pump, it was resolved and exceeded my expectations. Great job.
I've been with Jonle for years. As always, the service man was excellent, explained everything, answered all my questions, set everything back to my preference, and even brought in my Amazon package from my porch.
We called and got an appointment immediately. Omar came out and looked at our sink and clogged drain letting us know every step what was going on and what he may be doing going forward until our drain was clear. He was very respectful and friendly and would definitely call them again.
Conrad came in and did a thorough check of the pipes. Fixed the leak and potential leak areas. Fast, friendly and did a great job!
Mark was professional, courteous, thorough and very informative. He was on time and efficient.
Waterworks came right out and saved the day. I had a leak in my crawl space. He came out found the problem and fixed quickly. And didnt cost a fortune.
Repaired previously installed outdoor faucet fixture at no charge even though it was out of warranty (by a week or so)
We received great, prompt and courteous service from Jonle when replacing our furnace. They didn't use high pressure tactics, pleasantly answered all of our questions. The installers were efficient, clean and professional. Our sales person, Jeff Gray followed through until everything was complete and he knew we were satisfied.
Chad did a great job . He serviced the AC unit, and he had to return to finish the job when the temperature cooperated.
I have been a customer of Jonle for 18 years. They have always been very professional and dependable. I would highly recommend Jonle for all your Heating and AC needs.
I tried to do what I thought was a simple diy turned disaster lol. Peter was great ,very knowledgeable fixed the pipe in my shower. Would recommend Peter and waterworks plan to use again for future projects. Thanks
Technician showed up on time, fixed the two problems, cleaned up, and gave us good advice for future preventative maintenance.
Ivan was extremely responsive, did great work, and provided very helpful tips. I’ve used Waterworks several times for our old home. They always do a great job.
Michael, Waterworks plumber, was very friendly and professional. Great guy, who did great work.
Todd was very professional and curtious when doing the semi annual maintenance on our HVAC system. He described in brief detail what he was doing. Glad to have him back next time.
The technician diagnosed the problem and replaced the faulty component within 24 hours.
We had our semi annual maintenance performed today on our HVAC system by JonLe Heating and Cooling. We requested technician Jason to perform the service because we have had him before (quite a few times) and we have been very pleased with his performance as well as his knowledge of HVAC systems. We have a yearly Energy Savings Plan with JonLe Heating and Cooling.
Jonle was once again very responsive and went above and beyond and addressing the problems we were having. In today’s world many of us are disappointed by service providers but that is not the case with Jonle. I would highly recommend them for all of your heating and AC needs
Jonle has been doing my service work for 20 yrs . They are a first class company !!
So nice, so helpful, so available for questions It’s been this way for the 30+ years they’ve been servicing my HVAC.
We use Waterworks as a contractor partner with our family business. Had a residential issue that needed attention and gave the Works a call. Scott was dispatched and arrived within an hour of my call. This is how Waterworks, well, works. They work hard from the front office to the site experience. Waterworks has: —responsive customer service —are organized and connected with their office and field teams —have highly qualified techs/certified plumbers that can address both non-complex and complex issues. —they are courageous, neat, and professional —they elevate their responses to the situation Call out to SAM who helped me today with a non -urgent issue and he did a great job. Not only did he do the work, he took time to educate me. He was prompt. On time, and as I indicated, very professional. I HIGHLY recommend Waterworks for any need you may have. You’ll be pleased with their service. Top level management and strong certified field team with excellent customer service.
I called late afternoon a nd they were here by 9 in the morning. Very polite.introduced themselves , explained what they were going to do and got to work.
Jason was on time, explained what he did to our unit in the attic, then went outside to the unit and took care of that and then explained what he did. Over all I was very pleased!!!!
Matt our technician was very detailed, informative and prompt. Gave me a great report on my system that it had no issues. Very happy with the total service I received 👍👍
We had our air conditioner serviced this time. The technician was very knowledgeable on what to do. He also found a problem on our new furnace and fixed it. We have had Jonle forever and have been please with their work. We have a service contract with Jonle.
The maintenance contract with JonLe gives us peace of mind. They always arrive at the expected time and answer any questions we have. We don’t have to worry about our heating and cooling.
Noah was on time and completed the service in less than the scheduled time.
Waterworks showed up on time. The Service man was professional and quick.
Wade was absolutely amazing came close to midnight great attitude and finished in a timely fashion
I cannot say enough good things. This is the second time Waterworks has saved me from another big name company that tried to upsell me and deceive a single female homeowner into major repairs. I was told I needed a 3,500 dollar repair and Waterworks inspected and fixed it for 500. Customer for life!!