Tree Roots in Sewer Lines: Warning Signs

Tree roots creeping into sewer and drainage systems is a common—and preventable—problem in many cities. While roots may start as a small intrusion, they can expand into cracks or weak joints, restricting flow and ultimately leading to backups, odors, and expensive line replacements.

Because sewer repairs can be disruptive and costly, the key is recognizing warning signs early and taking action before damage spreads. Below are the most common indicators of root intrusion and the practical steps homeowners and property managers can take.