Basement Floor Drain Smells Like Sewage

Dry traps at un used sinks in a basement or other building area are also common sources of sewer smells in buildings.

Basement floor drain smells like sewage.

Another common source of sewage smell in your floor drain may come from the cleanout plug. If you detect sewer smell in the basement chances are that your p trap is dry and needs refreshing. Water in any trap under unused drains will eventually evaporate. If you don t have mr clean at home you can pour a few gallons of water to clean the drains.

That would allow sewer gas to come up through the drain into the room. Eliminating sewer smell in basement drains. Keep in mind that some basement floor drains don t include a trap and may need one to stop smells from that source. This tool directs sewage water to flow down into the sewage pipe rather than collecting it inside of the drain itself.

Floor drains have a u shaped pipe also known as a p trap which creates a barrier and prevents bad smells. Pour approximately one gallon of water down into the dry trap mixing in some mild dish detergent for an additional fresh scent. Solve that problem just by dumping a pitcherful of water into the drain to restore. By adding a gallon of water down the drain this will re prime the trap seal and hold back the sewer gas from entering into your home.

You have a water trap under a floor drain laundry tub or wash basin that has dried out from lack of use. If something damages the plug or it cracks. This strategy also works for fixing sewer smell in shower drains. Most of the time when you can smell a sewer or sulfur smell coming from the floor drain in your laundry room it is because the trap underground has dried up.

Finding the source of the basement smell. If you notice a foul sewer smell in your house or basement here are the five possible causes in order of probability.