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Common Problems

7 Signs You Need Sewer Line Replacement

Published August 5, 2026 · 6 min read

Not every sewer problem means replacement — many are a simple cleaning or spot repair. But some signs point to a line that's at the end of its life. Here are seven to watch for.

The Warning Signs

  • Frequent backups no amount of cleaning solves
  • Multiple cracks, offsets, or a belly on the camera
  • Sewage pooling in the yard or persistent wet spots
  • Sinkholes or dips forming along the line's path
  • Orangeburg pipe that's delaminating
  • Cast iron corroded through in several places
  • A sewer odor that keeps returning after repairs

Repair or Replace?

A single defect in otherwise sound pipe is usually a repair. Widespread deterioration, a collapse, or a material that's failing along its whole length tips the scale toward replacement. The deciding factor is always the camera footage — we show it to you so the decision is yours, fully informed.

Need help with this in your home? NJ Sewer Guy serves all of New Jersey with 24/7 sewer and drain service. Call 973-793-1910 or request service online.