A typical sink trap.
Kitchen sink smells of sewage.
If the p trap is blocked or dry it would cause a sewage smell to emanate from the sink.
The hydrogen sulfide in sewer gas is what gives it its signature rotten egg smell.
A sink overflow is a hole located either underneath or across from the faucet.
When you smell sewer gasses coming from the area around your kitchen sink the smells are not only offensive but they can put anyone in the house at risk until the source of the sewer gas leak is found and taken care of.
It works by holding water at the bottom of the curve to block the gases from going the wrong way.
This usually happens at one of two places.
Sewer gas isn t necessarily toxic at low levels.
If the trap is dried out the sewer gas has a clear path into the house.
If the smell is coming from a floor drain pour a pitcher of water down the drain to restore the proper function.
The sink trap if you look under your kitchen sink you ll see a sink trap.
In areas with hard water mineral buildup can also prevent the overflow from draining.
It can be a major source of sewer gas smell in the sink.
Bathroom sink drain has all the organic matter that flows down with the water.
How to get rid of the smell.
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.
However chronic exposure or higher levels of exposure can.
According to research the bathroom drain is the primary reason why bathroom sink smells like sewer.
If the smell is coming from a sink simply run the water for a few seconds to restore the trap.
How to get rid of sewer gas smell now if you smell sewer gas you have a different problem.
There is soap hair and used toothpaste spits.
It is always a sewage like odor or rotten egg smell.
You can do some activities yourself to find the cause and correct the problem before you call a plumber.
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.
Even when we diligently use a sink strainer or garbage disposal we work our kitchen sink drains hard.
It s prone to the same accumulation of bacteria soap scum and hair that can clog and produce foul smells in a sink.
The sink trap or the plumbing vent.
Kitchen sink smells are easily fixed by unclogging blockages cleaning the pipes with a ready made chemical or home made solution or fixing the u bend.
This smell is leaking in from the sewer through the drain.