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At Tennessee Standard Plumbing, we offer expert backflow prevention services in Knoxville to keep your water supply clean and safe. Backflow can contaminate your drinking water, risking your family’s health.
Our licensed team uses advanced tools and proven methods to install, maintain, and test backflow prevention systems, ensuring that your home remains protected from hazardous contaminants.
Don’t risk contamination—contact us today to schedule a backflow inspection or installation.




Backflow occurs when water flows in the opposite direction in your plumbing system, potentially introducing harmful substances like chemicals, sewage, or pollutants into your clean water supply. Without proper backflow prevention, these contaminants can make their way into your home’s drinking water, posing serious health risks.
A properly installed and maintained backflow prevention system creates a barrier that protects your water supply, ensuring it remains safe and free from contaminants.

Backflow prevention is important for every home, but here are some signs that it’s time to check your system:





If any of these apply, it’s important to call us for a professional backflow inspection or backflow testing.


If something goes wrong with our workmanship, we make it right—no excuses, no runaround, even if it means covering the cost ourselves.

You’ll always receive multiple options and a clear price before any work begins. Once you approve, that price won’t change.

We respect your schedule. If we miss our arrival window, we waive the service fee.
Ask about our backflow prevention maintenance plans to keep your system running smoothly.


“ I feel comfortable calling and sending Tennessee Standard in my house to fix a problem. He respected my home just like I do. To us, Tennessee Standard is the gold standard.”
Backflow prevention is a system designed to stop contaminated water from flowing back into your clean water supply. It protects your home from hazardous substances and pollutants.
Backflow prevention keeps harmful chemicals, sewage, and other contaminants from entering your water supply. It’s crucial for ensuring clean, safe drinking water for your family.
You may need a system if you’re installing new plumbing, have a private well, or if your local water authority requires testing. Signs of a problem include fluctuating water pressure or discolored water.
Backflow testing involves a professional plumber checking your system to ensure it’s working properly. The test verifies that your backflow device is protecting your water supply as it should.
Most municipalities require an annual test. Even if not mandated, it’s a good practice to test your system regularly to ensure your water remains protected.
Installing a backflow prevention system requires knowledge of plumbing regulations and local codes. It’s best to hire a licensed professional to ensure the system is installed correctly.
Regular maintenance includes annual testing, cleaning, and replacing worn-out parts. We offer services to keep your backflow prevention system functioning properly year-round.
Yes, we provide 24/7 emergency services for frozen pipe repairs. Contact us immediately, and we’ll work to restore your water flow and prevent further damage.
You can reach us by phone or by submitting a request through the contact form on our website. Our team is happy to answer questions about residential backflow prevention and help you get started.
After you contact us, our office staff works with you to schedule an appointment based on availability. All service details and timing are confirmed directly with you before the visit.
We post current promotions on our website, which may include backflow prevention or related plumbing services, depending on availability. For the most up-to-date information, we recommend checking our Specials page.
Yes. We offer financing options for qualifying residential plumbing projects, which may include backflow prevention services. Financing details and application information are available on our Financing page.
When you contact us, it helps to share whether you received a notice from your local water utility, if your home already has a backflow prevention device, or if recent plumbing work was completed. This allows us to better understand your needs before scheduling service.