When the vents are blocked flushing a toilet can create sufficient vacuum to suck water out of the trap and allow sewer gases into your home.
Why does my bathroom sink smell like sewage.
The sewer odor in bathroom could be responsible for various health problems including headaches as the waste breaking down in the sewer line emits.
Chances are the sewer smell in bathroom is from sewer gases that are coming up through your drains.
A rancid odor coming from your sink drain may just be coming from debris in the p trap but if it smells like a sewer it probably means venting problems in your drain system.
Bathroom sink drain has all the organic matter that flows down with the water.
Not only is the sewage smell in the bathroom gross but it can also be hazardous to your health.
Once you ve identified where the odor is.
According to research the bathroom drain is the primary reason why bathroom sink smells like sewer.
It is always a sewage like odor or rotten egg smell.
If you notice a foul odor coming from the overflow pipe in your sink the pipe is probably harboring a layer of gunk and a colony of.
How to get rid of the smell from the bathroom sink overflow.