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!
Schedule Your Service Now!
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!
Schedule Your Service Now!
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.
Quick very detailed service ,friendly and knowledgeable service person.
Glad I chose Waterworks for my plumbing main valve fix - they quoted me $100 under Atlas Butler (where I was a member). Very professional!
The Waterworks Plumbing, Drain, Heating & Cooling--- Living in a high-rise residence comes with a lot of special attention in regard to plumbing, draining and sewage. Waterworks Has become a trusted ally In regard to problem, identification, planning, Knowledgeable and experienced design, And flawless implementation. What more could you want? I highly recommend Waterworks.
We’ve been loyal JonLe customers since 1996 which included replacing all furnaces and A/C units as well as installing zoned heating and cooling solutions throughout our homes. They are always highly professional, prompt with excellent service at all times. I would not go anywhere else. Their sales, installation and service teams are first rate! Thanks JonLe!
On time, detailed, courteous, & kind… explained options & what they were doing & fees clearly / no surprises
Easy to book an appointment through the site, my technician actually showed up early and was clean, polite and efficient. He explained the issue clearly and got our outdated water heater replaced same day.
These folks do a great job. They're prompt, courteous, and know what they're doing. They supply top of the line repair parts.
No complaints about this company. They hsve been quick to help me with any issues. A tech named Chad helped me today. He was thorough and helpful.
Had some gutter work done and needed line ran to make sure there were no blockage. Tech ran camera to check first it there was an problem, there was not.
We have always had a superiority experience with JonLe Heating and cooling. Great salesmen ,installers technicians and customer service would highly recommend over and over Thank you JonLe
Collin came out and was extremely professional and arrived on time. He did excellent work and explained everything clearly while also keeping a great, friendly conversation throughout the visit. Our issue was that no water was coming out of the tub faucet. Not only did he fix that problem, but he also repaired a leaking pipe connected to the tub spout that we didn’t even realize needed attention. The pricing was very reasonable for the quality of work. We were very satisfied with the service and will definitely be using this company again in the future.
The Jonle guys just completed the 2x / year service and were great to work with. From putting booties on before they entered the house, to their quick, efficient and effective work, to their knowledge- all was great. I recommend them all the time!
Our sump pump was found leaking on a Saturday around 2p. I called immediately and we were able to arrange for an emergency appt. Garrett was a great plumber, courteous/professional and very efficient in his work late that evening. My only complaint would be the lack of ability to know a time or have more frequent communication about the workers arrival time after my initial call. I had to call around 10p and they finally confirmed an appt from 10:45p-12:45a. Service was excellent and price was reasonable. Would have given 5 stars if communication was better about the appt time.
I’ve worked with Waterworks several times for work (a car wash). They always provide service in a timely manner, have fair pricing, are upfront and honest, and very professional.
Kevin was most knowledgeable, professional and courteous. Answered all my questions and helped me formulate a plan of action.
I made an emergency call because I couldn’t get my kitchen sink back together without leaking. The technician came out, tightened a few things and said Merry Christmas- no charge. So grateful.
My tech was professional, and the price was reasonable. Before the tech left, it appeared the problem was solved, however it turns out only part of it was. I reached out them immediately, and the tech returned the next day. He fixed all the problems on my initial complaint, found one more issue and addressed that, too. He spent a lot of time in my home, was very polite and competent. I will use Waterworks again.
Have always been pleased with Waterworks. They’ve done several jobs for us. Quick, friendly, good service for good prices that are always quoted ahead of time. Recent repair was under the kitchen sink. Came in, evaluated the problem, got materials from the truck, and had the job done in about an hour. Very satisfied.
Technician was on time and courteous and friendly. He answered my questions fully and knowledgeably. Pleased with Jonle for sure.
My tenants did not have working water over the weekend and no vendors were available. Waterworks were able to come out on the same day and get the repairs and water turned back on within hours. Susan from dispatch is wonderful and techs Jeff Nick and Tommy were very communicative and got the job done. I would 1000% reccomend to anyone for after hours or over the weekend emergencies.
Peter was right on time, very personable, and clearly explained what he had to do to replace the corroded pipe under my bathroom sink. He wasted no time getting the job done. I am very satisfied with his work and happy to have a functioning sink upstairs again!
Had a busted water pipe replaced. Technician was fantastic and did a great job. I used Waterworks for the same problem last year. I think the pricing has substantially increased from last year. The do a really good job, so I would still recommend.
We have been with JonLe for over 3 years now. Love the promptness, respectful and excellent service, and the connection they maintain in reminding us to have someone check and service our equipment for longevity. Couldn't be happier.
Noah did a great job doing our Fall/Winter HVAC checkup today! He was very prompt, checked everything thoroughly and made sure we had no questions afterward. We appreciated his professionalism and kindness throughout. Highly recommend JonLe!
So happy with Jonlee and the technician that solved the gas leak in my furnace. They were able to fit me in and were onsite within 2 hours!! Phenomenal!
Was timely, courteous, and reasonably priced. Provided a clear diagnosis. Couldn’t fix because my system appears to be obsolete 😭😭😭
Great company timely, polite, knowledgeable. Would recommend giving them a call so much better than other plumbing companies.
Excellent next day service. Showed up on time. Service tech, Ivan, was fantastic and seemingly has solved the issue. Impressed that he triple checked his results before leaving. 3rd time they've done work for us and they're great.
They have done a lot of work for me over the years. They don’t replace things that don’t need replacing. They give a fair price and do great work