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If you’re dealing with constant clogs, sewage smells, or water pooling in your yard, your sewer line may be failing, especially in older Knoxville homes, properties with large trees, or shifting soil. Once the line is cracked or collapsed, spot repairs only delay the problem, and in many cases, residential sewer line replacement in Knoxville is the most reliable way to protect your home and restore proper drainage.
Tennessee Standard Plumbing provides residential sewer line replacement for homeowners in Knoxville, TN. Our licensed plumbers use camera inspections and advanced equipment to install a durable new sewer line for your home’s daily use.
Contact us today to schedule an inspection and find out if sewer line replacement is the right long-term solution for your Knoxville home.




Every drain in your home relies on one main sewer line to carry wastewater out to the main system. When that pipe becomes cracked, collapsed, or badly worn, it cannot move wastewater properly. Issues may start as slow drains or occasional backups, but basic cleaning or spot repairs only provide short-term relief.
For many Knoxville homes, residential sewer line replacement in Knoxville is the most dependable way to restore proper flow and stop recurring problems.
If a failing sewer line is ignored, it can lead to sewage backing up into fixtures, contaminated water in your yard, persistent odors, foundation stress, and health concerns from wastewater exposure. Because the pipe is buried, damage often develops quietly, and by the time symptoms are obvious, the line may be near the end of its service life.
Replacing the sewer line gives your Knoxville home a new, stable pipe and a safe, reliable path for wastewater to leave your property.

Homeowners often ask how to tell if they need sewer line replacement instead of another cleaning. These warning signs can point to a sewer line that is failing, not just dirty:

If clogs return soon after service and affect more than one fixture, the problem may be in the main sewer line rather than in a single drain.

Persistent smells around floor drains, in the basement, or in the yard can mean there are cracks or breaks where wastewater and gases are escaping.

A leaking sewer line can saturate the soil, create soft or sunken areas, or cause certain patches of grass to grow thicker and greener than the rest of the lawn.

Bubbling sounds from toilets or drains often signal that air and wastewater are struggling to move through a damaged, sagging, or partially blocked line.

Older clay or cast iron pipes are more likely to crack, corrode, or collapse, especially in areas with tree roots or shifting soil.

If you’ve already had several sewer line repairs, replacement may be more practical than continuing to pay for short-term fixes.
A camera inspection from Tennessee Standard Plumbing can show the exact condition of your sewer line. Our team explains what we see, answers your questions, and recommends whether a targeted repair or full sewer line replacement makes the most sense for your Knoxville home.


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.
Once you know the sewer line needs to be replaced, how the work is planned and installed has a direct impact on reliability, safety, and cost over time. Working with an experienced residential plumbing team gives you structure and confidence from start to finish.
With professional sewer line replacement, Knoxville homeowners get more than a new pipe in the ground. You get a carefully planned installation from a local team that deals with complex sewer problems every day and focuses on long-term reliability, not just the quickest fix.



The plumber who came out to our home, William Gough, was personable, professional, and knowledgeable. He talked us through the repair every step of the way. We will definitely call Tennessee Standard Plumbing for any further needs.
We contacted Tennessee Standard to replace the drain pipes in our home. When they came out to perform the replacement they also checked our main sewer line, which was also in need of replacing. Patrick was able to immediately work up an estimate for the mainline repair and was able to fix…
We had multiple plumbing issues and Patrick Bordine was highly recommended. Not only did Patrick fix our issues, he shared his knowledge and provided multiple options. Since moving to TN and trying multiple plumbers, we have definitely found our “go to” plumber! Tennessee Standard and Patrick Bordine proved to be reliable and knowledgeable.
Had an overall great and professional experience from first call to get scheduled all the way to the end in getting our kitchen draining issue resolved. Will definitely use them again and would refer them to anyone.
For most Knoxville homes, residential sewer line replacement can often be completed within one to three days, depending on the length of the line, soil conditions, weather, and how easily the area can be accessed. More complex jobs or properties with obstacles like large trees, driveways, or retaining walls may take longer.
Not always. Many projects still require a trench, but plumbers may be able to limit digging to key sections of the yard instead of the entire length of the line. The exact approach depends on your property layout, pipe depth, and local conditions. A camera inspection and site evaluation will help determine how much excavation is needed.
Yes. Sewer line replacement typically requires permits and inspections to meet Knoxville and Tennessee plumbing codes. A licensed plumbing company like Tennessee Standard Plumbing usually handles the permitting process, schedules inspections, and makes sure the work is completed to current standards.
In many cases, you can stay in your home, but there may be short periods when water usage needs to be limited or shut off while connections are made. Your plumber will explain the schedule in advance so you know when toilets, showers, and appliances cannot be used and can plan around any temporary interruptions.
When installed correctly with quality materials, a new residential sewer line can often last several decades. Actual lifespan depends on factors such as soil conditions, tree roots, ground movement, and what is sent down the drains. Good habits, such as avoiding grease, wipes, and foreign objects, help extend the life of the system.