
Clearing roots is only half the job. Preventing them from returning is what protects your plumbing.
If tree roots keep coming back, the opening they’re growing through may be the “root” cause—no pun intended. After all, roots follow moisture. If they continue returning after a cleaning, there’s likely a crack, separated joint, or aging pipe that’s giving them access.
As experts in drain cleaning in Puget Sound, WA, our team at Clearline Sewer Repair has good news: recurring root problems can often be managed or permanently corrected, with the solution depending on what’s happening inside the pipe.
Start by Finding Out The Why
Many homeowners assume a root problem wasn’t cleared completely. Sometimes that’s true.
More often, the roots were removed successfully, but the damaged section of pipe remained untouched. Think of it like pulling weeds without removing the crack in the sidewalk where they keep growing.
That’s why recurring root intrusion usually calls for a sewer camera inspection before another cleaning. The inspection answers questions a drain machine can’t:
- Where are the roots entering?
- Is the pipe cracked or separated?
- Has the pipe shifted or begun to collapse?
- Is the intrusion isolated or happening in multiple areas?
Without those answers, you’re treating symptoms of a clogged drain instead of solving the cause.
Don’t Wait Until the Drains Slow Down Again
After a sewer cleaning, roots usually begin as fine root hairs that slowly work their way back through small openings in the pipe. As they expand, they trap toilet paper, grease, soap residue, and other debris flowing through the line.
By the time several drains become slow, the roots have often been growing for months.
If you’ve had root intrusion before, schedule periodic inspections from drain cleaning services instead of waiting for another backup. Catching regrowth early is far less disruptive than dealing with a blocked sewer line.
Repair the Entry Point Instead of Fighting the Roots
If roots keep returning to the same section of pipe, cleaning alone becomes a maintenance routine rather than a long-term solution.
Depending on the pipe’s condition, repairs may include:
- Replacing a damaged section of sewer pipe
- Repairing separated joints
- Installing a trenchless pipe liner
- Replacing older clay or deteriorated sewer lines
Once the opening is eliminated, roots lose access to the moisture inside the pipe.
Small Changes Can Extend the Time Between Cleanings
If your sewer line has experienced root intrusion before, a few habits can help reduce future problems:
- Schedule periodic sewer camera inspections if roots have been found previously.
- Remove grease and food waste through the trash instead of the drain.
- Address slow drains early instead of waiting for a complete blockage.
- Keep maintenance records so recurring problem areas can be monitored.
- Discuss long-term repair options if roots continue returning to the same location.
Although these steps won’t stop roots from growing underground, they can reduce the conditions that allow small intrusions to become major obstructions.
Frequently Asked Questions
How often should a sewer line with tree roots be inspected?
If you’ve experienced root intrusion before, an inspection every year or two can help identify regrowth before it leads to a blockage. Your plumber may recommend a different schedule based on the condition of your sewer line.
Can tree roots grow back after hydro jetting?
Yes. Hydro jetting removes existing roots, but new roots can return if the pipe still has cracks or separated joints that allow moisture to escape.
Is trenchless repair a good option for root-damaged sewer lines?
In many cases, yes. If the pipe is structurally sound enough, trenchless repair can seal entry points and restore the line without extensive excavation.
Should I remove the tree causing the problem?
Not necessarily. Removing the tree doesn’t always eliminate roots already growing around the sewer line, and repairs to the pipe are often the more effective long-term solution.
Are recurring tree roots a sign I need a new sewer line?
Not always. Some sewer lines only need localized repairs, while others may benefit from trenchless rehabilitation. A sewer camera inspection is the best way to determine the right approach.
Break the Cycle Before It Starts Again
If you’ve had your sewer line cleaned more than once for tree roots, it’s worth asking a different question. Not, “How do I remove the roots?” Instead, “Why do they keep coming back?”
Remember that recurring root intrusions can’t be resolved by drain cleaning in Puget Sound, WA, alone. Our team at Clearline Sewer Repair can find and fix entry points that can save years of recurring service calls. Contact us to protect your plumbing system from more extensive damage.


