25+ Bathroom Sink Smells Like Sewage PNG. Sometimes, it could be a smell coming from your toilet. You squeeze some cleaner into the toilet bowl and give it an extra scrub, even though it has been recently sanitized.
The smell comes from hydrogen sulfide gas, which is produced by bacteria in the ground, in sewage and in contaminated water and pipes. This bathroom is upstairs, has two sinks, a toilet, bathtub and separate shower. You lean closer to the sink, the shower drain and the toilet as you try to identify the source of the offensive odor.
Why does my bathroom smell like sewer?
The smell of sewage in a home bathroom is usually due to the presence of methane gas that is leaking from the sewage system and into the home. Sink with biofilm will cause a bathroom to smell like a sewer 3. 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's a common problem but one which can get out of hand.