Why Does My Bathroom Sink Smell When I Run Water

Check for standing water on the floor or cabinet base beneath the u shaped pipe the p trap under the sink.
Why does my bathroom sink smell when i run water. If your tub shower or sink is not used frequently the water inside the pipe often evaporates and allows the gases to pass through into your bathroom causing the unpleasant smell. I m just not sure where to go from here. My water smells like metal. Bathroom sink smells like sewer.
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. The smell comes from hydrogen sulfide gas which is produced by bacteria in the ground in sewage and in contaminated water and pipes it s often known simply as sewer gas. Generally these traces of metal aren t harmful but they do present a less than ideal odor from your water. The reason your water smells like metal is because old metal piping has been slowly deteriorating into your water.
It doesn t seem to matter if i use hot or cold water. 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. Manganese zinc iron or copper could be rusting away over years of use. Since you are not sure what is precisely responsible for the sewer smell you have to do some inspection.
How to get rid of the smell from the bathroom sink overflow. Pour water down the tub or sink drain to refill the pipe. The water in the basin did continue to smell so i know it is the water coming out of the faucet that smells bad and not the drain. Fixing this issue is simple.
Run water down the sink drain at least once a month to prevent the trap from drying. If the odor emanating from your bathroom sink smells strongly of sewage then sewage may be the actual culprit. 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. Water sitting in the sink trap creates a seal between the sewer line and the sewer gas ventilation.
The sink trap is usually shaped like a u s or j. With this condition the evolution of the bad smell will be inevitable. This is the best way to clean sink drains. The sink is the closest one to the water heater if that could make a difference.
Sulfur smells in your sink could be coming from the water or the drain and either way they aren t pleasant. If you notice a foul odor coming from the overflow pipe in your sink the pipe is probably harboring a layer of gunk and a colony of. Also run your hand along the length of the pipe to detect any moisture. If the sink trap dries the sewer smell fills the room.
Inspecting why bathroom sink smells like sewer.