Why Tree Roots Get Into Sewer Lines (And How to Remove Them)

Your toilet gurgles. A drain runs slow. You plunge it, and a week later it backs up again. Many Arlington homeowners think this is a simple clog. But often, it is tree roots growing inside the sewer line. The problem hides underground, so it is easy to miss until the backups keep returning.

Tree roots get into sewer lines because the pipes hold water, oxygen, and nutrients that roots need. Roots slip in through small cracks and spread until they block the pipe. We have served Arlington homes for years, and roots are a top cause of the repeat backups we see in older yards. Baker Brothers brought video sewer inspection to Texas back in 1988, so we know how to find them fast.

Below, you will learn why roots invade your line, how to spot the early signs, how we remove them, and how to keep them out for good.

Tree Roots in Sewer Line Repair - Baker Brothers Arlington Tx

Why Do Tree Roots Get Into Sewer Lines?

Tree roots grow toward sewer lines because the pipes hold water, oxygen, and nutrients that roots crave. Roots slip in through tiny cracks or loose joints. Then they spread inside until they block the pipe.

To remove tree roots from a sewer line, plumbers use a few proven methods:

  • Mechanical cutting with a rotating blade or rooter machine
  • Hydro jetting that blasts roots out with high-pressure water
  • Foaming root killers that kill roots and slow regrowth

After clearing the roots, we repair the cracked pipe so the roots cannot return.

Baker Brothers Plumbing, Air & Electric

Call Baker Brothers
for Great Service!

  • Up-Front Pricing
  • Available 24/7
  • Emergency Service
  • Licensed & Insured
  • Free Estimates
  • 100% Satisfaction Guarantee

Serving the Greater Dallas / Fort Worth Metroplex Since 1945

Why Tree Roots Get Into Sewer Lines

Roots are always searching for water, oxygen, and nutrients. Your sewer line holds all three. Warm vapor leaks out through small openings in the pipe, and roots follow it straight to the source.

Once a root reaches the pipe, it needs only a small gap to get inside. Common entry points include:

  • Tiny cracks in aging pipe
  • Loose or shifting joints between pipe sections
  • Corroded spots in old clay or cast-iron lines

Older Arlington homes face the highest risk. The trees have had decades to grow, and the original pipes are often clay or cast iron. Both invite roots.

After a root slips in, it keeps growing in the rich, wet space. It spreads into a thick mass that traps waste and blocks flow. What started as one thin root can fill the whole pipe.

Signs of Tree Roots in Your Sewer Line

Roots rarely cause a sudden failure. They build up slowly, so the early signs are easy to miss. Catching them early saves you money and stress.

Watch for these warning signs:

SignWhat it means
Slow drains in many fixturesThe blockage is likely in your main line
Gurgling toilet or drainsAir is trapped behind a root mass
Sewer smell indoors or outsideA pipe has been cracked open
Soggy or sunken spots in the yardWater is leaking from a damaged line
Backups that return after plungingRoots keep regrowing in the pipe

One slow drain is usually a local clog. But when several fixtures drain slowly at once, the trouble sits deeper in the line. A sewer line inspection shows us exactly where the roots are. The lowest drains in your home often show the first signs.

How We Remove Tree Roots From a Sewer Line

We start with a camera inspection. A small camera goes down the line so we can see the roots and find their exact spot. This step also rules out other problems, like grease or a collapsed pipe.

Once we confirm roots, we pick the right removal method for your line:

  • Mechanical cutting — a rotating blade or rooter machine shears the roots out of the pipe
  • Hydro jetting — high-pressure water scours roots, grease, and sludge from the walls
  • Foaming root killer — a treatment that kills remaining roots and slows regrowth
  • Pipe lining or replacement — for pipe that is cracked or badly damaged

Baker Brothers brought video sewer inspection to Texas in 1988, so camera-first work is in our roots. We clear the line with hydro jetting, then handle any sewer line repair needed to seal the entry point. Cutting roots alone is not enough. If the crack stays open, the roots grow back.

Can You Remove Tree Roots Yourself?

Some homeowners try to clear roots on their own. A few store products can help, but they have real limits.

Common DIY treatments include:

  • Rock salt — pulls moisture from roots to kill them
  • Copper sulfate — kills roots, but it is toxic and banned in some areas

These products may kill the roots inside the pipe. But they never fix the crack the roots came through. The opening stays there, so new roots grow back in time.

Here is the simple way to think about it:

DIY treatmentProfessional service
Kills some rootsRemoves the full root mass
Leaves the crack openRepairs the entry point
Roots returnStops regrowth long term
No camera viewConfirms the real problem

DIY can buy you a little time. But for a lasting fix, the pipe needs a proper inspection and repair. That is work best left to us.

How to Prevent Tree Roots in Sewer Lines

The best fix is keeping roots out in the first place. A few smart steps protect your line for years.

Here is how to lower your risk:

  • Plant the right trees — choose slow-root species and keep them well away from the line
  • Install root barriers — buried panels steer roots away from your pipe
  • Schedule camera inspections — a yearly look catches roots while they are small
  • Use safe treatments — periodic foaming root killer keeps problem spots clear
  • Replace failing pipe — swapping old clay or cast iron stops roots before they enter

Routine pipe descaling also clears buildup that gives roots a foothold. For older Arlington homes with mature trees, we suggest a yearly inspection. It is the easiest way to spot trouble early and avoid a costly backup.

Roots do not wait, and neither should you. Get your line checked by our Arlington plumbing team by calling (817) 595-0116.

Frequently Asked Questions

Baker Brothers Plumbing, Air & Electric - Arlington • 7315 E Commercial Blvd, Arlington, TX 76001 • 817-595-0116

  • Background Checked & Drug Tested
  • Skilled and Trained Technicians

Call for
Great Service