Dayton Backflow Testing & Certification Services

Backflow Testing for Homes and Businesses in Dayton and Surrounding Areas

Professional Backflow Testing for Residential, Commercial, Industrial, and Municipal Clients

Backflow testing is a mandatory annual requirement to ensure that your drinking water remains safe from contamination. If your backflow prevention device has not been tested or certified, you risk water shutoff by local authorities.

At Atherton Plumbing, we provide certified backflow testing and repair services to homeowners, businesses, and municipal facilities throughout Dayton and the Greater Miami Valley. Our experienced team ensures that your backflow preventers comply with regulations and function properly to keep your water supply safe.

Call (937) 249-6144 today to schedule your annual backflow testing and stay in compliance with local and federal requirements.

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What Are the Legal Requirements for Backflow Testing?

Federal law mandates that all backflow prevention devices must be tested annually by a certified backflow tester. These regulations are in place to prevent contaminants, pesticides, and chemicals from entering the drinking water supply.

If backflow devices are not tested, local authorities can shut off your water supply. Each device has a unique serial number for record-keeping, and all testing and repairs must be covered by the consumer.

Atherton Plumbing makes the process easy by providing certified backflow testing, documentation, and repairs if needed—all in one visit.

Why Is Backflow Testing Important?

Backflow prevention devices protect public and private water supplies from contamination caused by herbicides, fertilizers, chemicals, and wastewater. Without proper testing, these pollutants could enter your drinking water and pose serious health risks.

Annual testing ensures that your backflow preventer is functioning correctly and prevents harmful substances from reversing into the clean water supply. Proper backflow testing:

  • Protects residential and commercial water systems
  • Prevents serious health risks caused by contaminated drinking water
  • Helps maintain compliance with state and federal regulations
  • Avoids costly fines or water shutoffs

If you have a sprinkler system, irrigation system, or a fire suppression system, backflow testing is required to prevent contaminants from entering the municipal water supply.

What Is Backflow and How Does It Happen?

Backflow occurs when water flows in the opposite direction than intended, allowing contaminants to enter the clean water supply. This can happen due to a drop in water pressure, causing dirty water to be siphoned back into drinking water lines.

A properly installed backflow preventer acts as a barrier, stopping pesticides, chemicals, and waste materials from contaminating your home or business’s water supply.

What Happens During a Backflow Test?

During a backflow test, Atherton Plumbing’s certified technicians will:

  • Shut off the water supply to inspect the backflow prevention device.
  • Check test cocks and shutoff valves to ensure they are working properly.
  • 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 backflow testers who only certify devices, Atherton Plumbing provides both testing and repair servicesin a single visit.

Why Choose Atherton Plumbing for Backflow Testing?

  • 67+ Years of Experience – Trusted plumbing professionals since 1958.
  • Certified Backflow Testing Experts – Licensed and trained to ensure compliance with state and federal regulations.
  • 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 and reliable results.

Serving Dayton and Surrounding Communities

Atherton Plumbing proudly provides residential, commercial, industrial, and municipal backflow testing and certification services throughout Dayton, the Greater Miami Valley, and surrounding areas, including:

  • Beavercreek
  • Bellbrook
  • Centerville
  • Greater Dayton
  • Huber Heights
  • Kettering
  • Miamisburg
  • Middletown
  • Moraine
  • Oakwood
  • Springboro
  • Springfield
  • Waynesville

And surrounding areas!

Schedule Your Backflow Testing & Certification Today

Stay compliant with regulations and protect your drinking water with certified backflow testing from Atherton Plumbing. Whether you need annual testing, certification, or immediate repairs, our team is here to help.

Call (937) 249-6144 today to schedule your backflow test and keep your water safe.

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Schedule Your Service Now!

What Our Customers Are Saying

Since 1985, Atherton Plumbing has been the trusted choice for thousands of homeowners and businesses across Northeast Ohio. Our commitment to dependable, high-quality plumbing services has earned us hundreds of five-star reviews. See what our satisfied customers have to say about their experience with us!

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Becky Morgan
July 20, 2026

Very detailed explanations of the issue and addressed all of my concerns. Jason was very thorough and courteous throughout the process and I would highly recommend Atherton plumbing again.

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Duane Hume
July 20, 2026

Luke was very courteous and professional...he walked us through every procedure...good job

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j Twocups
July 20, 2026

Your technician Ryan Maxwell was terrific. Very knowledgeable and professional knew exactly what to do. He gave me two options. The second option would cost me another 360 bucks but he was able to resolve the problem with the first option so he saved me 360. Can’t beat that. Atherton is the way to go.

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Aaron Yaden
July 17, 2026

Very professional and personable! Highly satisfied!

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M E
July 17, 2026

Received a tankless water heater flush. He was super fast, well mannered, and described every step of the process. Would highly recommend!

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Christopher Martin
July 17, 2026

Luke provided great service and insight when installing my new water heater. I reccomend.

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Michael Pekar
July 15, 2026

Ryan was prompt, informed and efficient in making an assessment and performing the needed repairs. Highly recommend.

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Craig Mackey
July 15, 2026

George went above and beyond my expectations!! Can’t speak highly enough about him and the service he just provided me with. So knowledgeable and looking to work together!

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Luke Whitaker
July 15, 2026

Anthony called ahead of time, was early on the arrival window, took care of business, and was a true pro. What else can you ask for? Nothing! Thanks as always Atherton and Anthony. Until next time….which hopefully isn’t for a LONG time 😉

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Zachary Wike
July 15, 2026

Lucas did a great job replacing our water heater. He was very professional and courteous. I highly recommend Atherton

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Ben Stipp
July 15, 2026

Anthony was awesome and the work looks great. Thank you!

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Steven Gilbert
July 14, 2026

Great job of repairing 2 leaks.

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j huhn
July 13, 2026

Anthony did a great job! Was here on time, fixed my problem and was on his way. Professional and courteous. Thanks for the great service.

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Cory Lambdin
July 13, 2026

Very friendly and did the job fast, very thorough and walked me through everything he did! George is highly recommended!

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Dan Ryan
July 10, 2026

Even though the problem was not an emergency they were able to come out the same day. They gave several options for repair and completed the work quickly.

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Michael Fluharty
July 7, 2026

Professional Technician - Quality work

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Denise Harner
July 7, 2026

Luke and Gabe were great!

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Anne Harvey
July 7, 2026

Absolute terrific service. Very timely, knowledgeable and helpful. I will definitely use this Atherton again.

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Jennifer Peterson
July 6, 2026

An excellent job. Thank you for the information on the water heater.

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Joshua Castle
July 3, 2026

Quick service and friendly honest staff!

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Linda Riddle
July 3, 2026

Dillon was very nice. Explained everything. On time and finished quickly…90 plus degree heat. 🥵

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Bryan Williams
July 3, 2026

Excellent professional friendly service! I would use these guys again.

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Julie Hodge
July 2, 2026

I use Atherton for all of my plumbing needs and they always are very nice and honest. I appreciate all the care they put into fixing the multitude of issues I have had in my home from the usual plumbing issue to sump pump issues and install, to major leaks and beyond! They are always very responsive and when they can’t show as planned due to issues taking longer at a previous appt they always call and keep me informed. A+ for Atherton.

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Vickki Slusher
July 2, 2026

Was able to schedule service online same day and was not disappointed. Quality work and friendly tech. Will always call Atherton for plumbing needs

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Kyle Villa
July 1, 2026

Dillon was great and knowledgeable. Efficient and very helpful. Would recommend 10/10 times!

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Aaron Baker
July 1, 2026

Dillon was prompt and did exceptional work! He’s very realistic about his explanations and was awesome! 10/10 would recommend

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Showed up within the given time frame. Was professional and friendly. No complaints.

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Ryan Stockerdt
June 30, 2026

Anthony Boyers did great for my mother

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Mark Bidwell
June 30, 2026

Nick was awesome! He did excellent work. He took time to answer all of my questions. Couldn’t be happier!

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Kay
June 30, 2026

Macen did a great job replacing the water shutoff behind our fridge. He was friendly and professional and very knowledgeable about the work he was doing. We would recommend this young man.

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Mike Vine
June 29, 2026

George Streitz did a wonderful job installing a new shower door. He is always very friendly and professional.

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sally bussey
June 27, 2026

My experience with the plumber from Atherton was excellent. Nickolas was prompt, courteous, friendly and efficient. He explained options and pricing throughly. I will definitely use Atherton's services again.

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Curtis Menard
June 26, 2026

Excellent service and had our leak repaired in no time.

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Gail Ikerd
June 26, 2026

Macen was timely, professional and quick to acess the problem.

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Nancy Hartzell
June 25, 2026

Excellent service. Arrived even earlier than expected.

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Rock Man
June 25, 2026

Placed the service call to have my pedestal sink leak resolved. While Luke was here, I had him hook up the Omigo seat and replace the strainers in my sink with ones that fit properly. I spent more than I had anticipated but I'm super happy to have these issues resolved. BTW Luke was clear about the pricing so there were no suprises. Been a long time happy and loyal Atherton customer as they redid most of the plumbing in 2022.

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Donna queen
June 24, 2026

Good job! Fixed multiple issues quickly and professionally.

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Jason M. was wonderful to work with! Issue diagnosed & rectified quickly and professionally.

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Lisa Keane
June 24, 2026

Had to have a toilet replaced. Excellent and quick service- they were at my house in a few hours to provide a detailed estimate, and the next day to install. Did not try to push me into a getting a new toilet. Instead, they walked me through and provided a bid for my 3 options so I could make an informed decision. High quality materials (I did a comparison of product at big box stores) were used. Would definitely recommend to friends and neighbors. Macen and Dillion were great! EDIT- needed a kitchen drain unclogged and called Atherton again. Ryan showed up and took care of it. He did not try to oversell me on something he assessed that I probably didn’t need given my issue, which is key for me. He explained what he would be doing and also took the time to explain that it is usually dish soap that causes sludge build up over time and to use a vinegar water solution every so often to break down the soap residue. 90 day guarantee- so if the drain clog comes back within that time, it will be taken care of. Will continue to use Atherton again for any future needs.

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Jim Weyrauch
June 24, 2026

Had a new garbage disposal installed today. Macen explained our options and pricing up front. He did a fantastic job with the install, and cleaned everything up before he left. I have always used Atherton for my plumbing needs- they always exceed my expectations. Today was no different.

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Desiree Black
June 22, 2026

Had a great experience. Were we given a time of 12:00pm-3:00pm. A little after 11:00am Jason called asking if I would like him to arrive earlier as he was available or at the 12:00 window given. I happily took the earlier time. Jason even gave me an estimate time of his new arrival. With the inspection, cost estimate was given with clear explanation of what was needed and the options. Jason quickly fixed the issue and ensured all work fixed the issue we were having. Understanding of my still working from home, he was quite yet efficient. Thank you for being so great Jason!

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Andrew D.
June 22, 2026

I had them come over and cut out 2 abandoned gas pipes from my home. Tech was good, job done quickly. Im not any type of plumber, so I can't comment too much on pricing, but I was expecting to pay closer to $500 to cut 2 pipes and cap them, but it was $900. It was good work, I was just surprised it cost so much.

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David Madden
June 22, 2026

Experienced, locally owned and operated. Our plumber was knowledgeable and professional.

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Joylee Burton
June 19, 2026

Had a previously undetected leak in the basement. Dillon & Dalton fixed us right up within the quote and faster than quoted time frame. I won't call anyone else. Atherton's the very best!

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Adam Megnin
June 18, 2026

Amazing experience! Great work. The crew was very informative and explained everything they were doing.

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Alyssa Robinson
June 18, 2026

Nathan replaced corroded copper pipe in our kitchen ceiling that was leaking and likely to leak more. He was prompt, friendly, and efficient. Before I knew it, he was done! Billing was simple, straightforward, and transparent.

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Was pleased that they got me in the same day I called . Fixed what I needed and was in and out .

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richard katulak
June 17, 2026

Very quick and excellent work

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Gracia Lauti
June 17, 2026

Ryan did a great Job! So respectful and nice. I like that. Very knowledgeable in what he does. I’m happy to have called you guys. Keep up the wonderful work you do.

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Quick, friendly service. Clogged sink cleared in a timely manner.

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