Cause of sewer smell in the bathroom there are several reasons for the sewage smell but i will present you with the six most common culprits. This could just have been caused by lack of use of that particular bathroom.
Chances are the sewer smell in bathroom is from sewer gases that are coming up through your drains.
Sewage smell in bathroom hdb. The sewer odor in bathroom could be responsible for various health problems including headaches as the waste breaking down in the sewer line emits hydrogen sulfide. When you sense an unpleasant smell in your bathroom sink you will likely point out in specific areas. One of the most common factors to the sewage smell in your bathroom may also be the easiest one to resolve.
In summary the sewage smell is isolated to whenever a no 2 is flushed down the toilet. The section of piping beneath the sink that is u shaped contains a p trap which usually prevents sewer odors from coming into your bathroom. Check for the easy one first make sure there is no breakage of sewage pipes not just leakage leak should not have the problem you describe look at the top portion of the pipe as well my old flat s sewage pipe break a hole on top so got smell but no leakage suspect the workers accidentally break it and act blur.
Not only is the sewage smell in the bathroom gross but it can also be hazardous to your health. If the odors are coming from a floor drain or a rarely used sink for instance pour two cups of pure tap water down the drain and then wait a day or two. The sink drain is the primary culprit.
There is two possibilities. The water in the p trap has evaporated. If the odors dissipate that indicates that the trap had gone dry and pouring the water down the drain blocked the odors.
Sometimes the water in the trap evaporates which allows for smells to rise creating a nasty bathroom odor. The smell is worst at the top of the stairs and the front bedroom. Bacteria build up in the bathroom sink drain.
I am now pretty sure it is a soil pipe and venting problem especially given the weird running of the soil pipe and the reuse of a section of the old soil pipe as a vent. The toilet outlet is connected to the main sewer by a flexible pipe and it is from this area that 90 of the smells arise. Sewer smell in bathroom and how to correct it there are several places that a sewer smell can emulate from in the bathroom and these are the places to check and then diagnose and correct a sewer smell in the bathroom.
They vary in seriousness some you can resolve yourself and to resolve the others you will need the help of a professional. For bathrooms that incur typical usage a water barrier would form in the pipe under the drains. The winding staircase goes up directly behind where the wc is situated.
To get rid of sewer smell pour one quart of water down all of the drains in your bathroom. Take the easiest and least expensive steps first. Just to give you an idea of my house layout the wc is the first door as you walk into the house to the left is the living room.
Primary reasons why bathroom sink smells like sewer in most homes.