Tree Roots in Your Sewer Line: Why Cobb County Homes Are Prone

If your main line backs up more than once a season and you've got mature trees in the yard, tree roots are the likely cause. It's one of the most common sewer problems we diagnose in Marietta, and it almost always points to a specific kind of pipe.

Why roots get in

Roots grow toward moisture and nutrients, and a sewer line is both. They don't break solid pipe. They enter through tiny gaps at joints, small cracks, or older clay-tile sections. Once inside, they spread into a thick mass that catches debris and slowly chokes the line.

The older neighborhoods across Cobb County, many built with clay tile or orangeburg pipe, are the most prone. PVC installed in the last 30 years with properly sealed joints resists roots far better.

The warning signs

• Multiple slow fixtures at once. When the tub, toilet, and sink all drain slowly together, the blockage is past where the branches meet.
• Gurgling. Air trapped behind a partial root mass bubbles up through the nearest drain.
• Recurrent backups after clearing. If a cable clears the line and it backs up again in a few months, the roots grew back, they didn't go away.
• A greener, wetter patch in the yard. A slow leak from a cracked line feeds one spot in the lawn.

What a camera inspection shows

We run a camera down the main line and record it. You see the roots, the crack or joint they came through, and exactly where it sits. That tells us whether a clearing buys you time or whether a section needs to be replaced.

The real fix

Cable clearing and hydro jetting cut the roots and restore flow, but roots grow back through the same opening. The permanent fix is replacing the broken section or, for older lines, repiping the main. We quote both options before we start, so you can choose what fits.

Repeating backups? Call (770) 508-6073 or request a quote and we'll scope the line.