Why Your Kitchen Sink Smells Like Sewage (And How to Stop It)

Few things are more unpleasant than walking into your kitchen and being hit with the foul odor of sewage coming from your sink. Not only is it disgusting, but it can also indicate a serious plumbing issue that needs immediate attention. In this guide, we’ll explore the most common causes of a smelly kitchen sink, DIY solutions to try, and when it’s time to call a professional plumber. If you're in Gloucester Township and need expert help, Mr. Rooter Plumbing of South Jersey is your trusted local plumbing team for fast, reliable service. Why Does My Kitchen Sink Smell Like Sewage? A sewage smell from your kitchen sink is usually caused by one of these six common problems: 1. Clogged or Dirty P-Trap The P-trap (the U-shaped pipe under your sink) is designed to hold water, creating a barrier that prevents sewer gases from entering your home. If it’s clogged with food debris, grease, or soap scum, the water can evaporate, allowing foul odors...