Sewage Smell in Basement — Drain or Vent Issue
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Common Water Issue in BC

Sewage Smell in Basement — Drain or Vent Issue

A sewage smell in a BC basement indicates a dried-out trap, vent issue, or sewer line leak that requires investigation.

Possible Causes

  • Dried-out floor drain trap from lack of use
  • Cracked or leaking sewer pipe under basement floor
  • Blocked vent pipe causing sewer gas backflow
  • Broken or missing cleanout plug on sewer line
  • Failed wax ring on basement toilet

Recommended Steps

  • 1Pour water into basement floor drains to refill trap seal
  • 2Check all cleanout plugs are tight and sealed
  • 3Inspect visible sewer pipes for cracks or leaks
  • 4Check basement toilet wax ring if present
  • 5If smell persists after checking these, call professional sewer line inspection

Need Professional Help?

Don't let a small leak become a big problem. Contact LeakInspections.ca — a division of Anyleak.ca and Leak.ca — for expert diagnosis.