Tree Roots in Sewer Lines: How They’re Detected

Tree roots are among the most common causes of recurring sewer-line problems in residential and commercial properties. Seeking moisture and nutrients, roots can enter pipes through minor defects—such as aging joints, hairline cracks, or displaced segments—then grow over time, narrowing flow and triggering blockages.

When roots infiltrate sewer lines, the results often appear gradually. Homeowners may notice gurgling sounds from drains, recurring clogs in the same bathroom or kitchen line, foul odors near cleanouts, or increasing delays when water drains. In more severe cases, backups can occur and wastewater may surface where it should not.