Basement Floor Drain Smells Like Sewage

If something damages the plug or it cracks.

Basement floor drain smells like sewage.

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. Another common source of sewage smell in your floor drain may come from the cleanout plug. Water in any trap under unused drains will eventually evaporate. Floor drains have a u shaped pipe also known as a p trap which creates a barrier and prevents bad smells.

Finding the source of the basement smell. Dry traps at un used sinks in a basement or other building area are also common sources of sewer smells in buildings. 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. You have a water trap under a floor drain laundry tub or wash basin that has dried out from lack of use.

Solve that problem just by dumping a pitcherful of water into the drain to restore. Pour approximately one gallon of water down into the dry trap mixing in some mild dish detergent for an additional fresh scent. If you notice a foul sewer smell in your house or basement here are the five possible causes in order of probability. 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. Because sewer gas contains explosive methane it can be dangerous. Tracing an indoor sewer gas odor to an un trapped basement floor drain. This strategy also works for fixing sewer smell in shower drains.

If you detect sewer smell in the basement chances are that your p trap is dry and needs refreshing. To solve your basement floor drain problem you can buy mr clean or another effective cleaning solution that gives off a nice scent.