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//Learn · Sewer

Root intrusion in sewer lines: how roots get in and what to do about it

Roots enter a sewer line through a joint or crack, follow the moisture, and thicken until they catch solids and cause a backup. They can be cut or jetted out; the opening they used stays until it is repaired.

Tier
Learn
Reviewed by
Dee Alkouri
Updated
2026-09-28
Lic
CSLB #998069

//Quick answer

  • Roots are a documented Orange County main line problem.
  • Cutting restores flow; jetting clears more; a repair closes the door.
  • Sewer main work concentrates in winter, so plan ahead of the wet months.

01Definition

How do roots get into a sewer pipe?

Older laterals are built from sections with joints, and every joint is a potential gap. Roots sense the moisture and nutrients leaking from a joint, send fine feeders through the gap, and grow. Inside the pipe there is water, air and food, so the growth accelerates until the pipe is partly or fully blocked.

What does a root problem look like from inside the house?

A main line that backs up on a roughly regular interval, gurgling at the lowest fixtures, and toilets that need a second flush. On camera, fine hairs at a joint early on, a dense mass later.

02When it applies

When is cutting enough?

A first or occasional root clog in a pipe the camera shows to be otherwise sound. A cutting head on the cable clears the growth and restores flow, and the camera confirms the joint is still in place.

When does jetting or a repair make more sense?

Jetting with a root nozzle clears growth the cable only trims, which lengthens the interval between problems. A spot repair at the entry joint is the fix that stops the cycle, and it is the honest recommendation when the camera shows the joint is displaced or broken, not just open.

03What goes wrong

What happens if roots are ignored?

The growth eventually fills the pipe and the joint it came through widens as the root thickens. The backup then arrives at the worst time, and the repair is larger than the joint fix it started as. The operator notes that sewer main work concentrates in winter, when ground moisture and holiday use load the line, so a known root problem is worth handling before the wet months.

04Proof

  • Parwiz Siaghani, Google, September 14, 2026: "Had roots in our toilet. Logan diagnosed the issue right away and scheduled a repair appointment in a very speedy manner."
  • A camera goes down the line before anyone quotes a drain or sewer repair, and the camera inspection is included with the $99 drain snaking.
  • Six plumbers averaging more than 9 years in the trade each, plus a General Manager with 25+ years.
  • No trip charge, a 1-hour response time, and 24/7 emergency service.

05Action

See the roots on screen

Done-Rite puts a camera down the line, shows you the joint, and quotes the option that fits: cutting through the $99 to $350 main line service, jetting at $650 to $850, or a spot repair.

No trip charge · 1-hour response · 24/7 emergency service · CSLB #998069

//Keep going

//Terms used in this guide

Where this applies

Done-Rite runs these calls across Orange County from its shop in Anaheim, CA, with no trip charge in any city it serves.

Common questions

Usually, because the opening they came through is still there. Jetting lengthens the interval; a repair at the joint ends it.

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