Once you ve identified where the odor is.
My bathroom sink smells like sewer.
It works by holding water at the bottom of the curve to block the gases from going the wrong way.
The possible reason is clogging of the pipe that leads to dry p trap.
The most common reasons are a backed up sewer cracked or rotted pipes that leak clogged drains pipe connections are too loose the vent pipe is backed up or too short there is an old wax ring or a dry trap.
Determining the cause of the sewer smell can help you prevent it from returning in the future.
According to research the bathroom drain is the primary reason why bathroom sink smells like sewer.
While it may smell dangerous the sewer smell usually consists of problem that you can fix yourself.
Sometimes it happens that the sewer smell in the bathroom comes from the sink.
Sewer smells in your bathroom can result from a few different issues so you ll need to spend a bit of time in the room to sniff out the source.
It blocks sewer gases trying to travel inside your house from the exterior systems.
Bathroom sink drain has all the organic matter that flows down with the water.
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.
It is always a sewage like odor or rotten egg smell.
Bathroom sink smells like sewer.
Sewer odor in bathrooms has several different causes.
If the odor emanating from your bathroom sink smells strongly of sewage then sewage may be the actual culprit.
What causes a sewer odor in the bathroom.
A sewer odor that emits from the bathroom sink drain can cause you to panic.
Remember all your water waste eventually drains to the same place so the runoff from your bathroom sink will be sharing a pipe with sewage down the line.
If the p trap is blocked or dry it would cause a sewage smell to emanate from the sink.
There is soap hair and used toothpaste spits.