Get Bathroom Sink Smells Like Sewer Gas
PNG. Often times, the rubber water seals have dried out, cracked, or otherwise deteriorated and are no longer keeping the sewage smell at bay. Finally, the blockage in the sink overflow could be the reason why bathroom sink smells like sewer gas.
Here's why your bathroom sink smells like rotten eggs, and how to get rid of the problem fast. One end of the trap runs from the sink to the sewer system, and the other end (called the plumbing stack pipe) leads all the way up through the roof. As someone else said, the most common cause of sewer gas smell is a bad wax seal.
Sewer waste can get into your groundwater system and cause you to smell the offensive odor in rare instances.
The sewer or main drain has bellied, collapsed, deformed, or deteriorated. Bacteria buildup in the pipes and faucets can release hydrogen sulfide gas (aka sewer gas). Symptoms of exposure range from lightheadedness or dizziness, and fatigue. Sewer waste can get into your groundwater system and cause you to smell the offensive odor in rare instances.