A strong sewer smell coming from your basement is most often caused from a dried out floor drain, a bad ejector pit seal, improperly vented appliances or fixtures, or even a damaged sewer line. Floor Drains – Rarely-used floor drains in your basement are typically the source of the sewer stench.

How do you get rid of sewer smell in floor drain?

Quote from the video:
Quote from Youtube video: No more than a capful of bleach is needed to kill insect larvae at least twice a year pour several gallons of water through your floor drain to make sure they aren't clogged with debris downstream.

How do you get rid of sewer smell in basement?

Simply pour a few gallons of water to re-establish the proper water barrier. You can add a small amount of vinegar to help remove any persistent odors. If you don’t use basement toilets often, the water from the P-trap can evaporate just like with floor drains. Give the toilet a flush or two to remedy the problem.

Why does my basement drain smell like rotten eggs?

The distinct “rotten egg smell” comes from hydrogen sulfide. Not only is a foul sewer smell in the basement hard to tolerate, but it can also be dangerous too. The danger resulting from the foul odor of sewer gas comes from the breaking down of organic materials that are commonly found in sewers.

Why does my floor smell like sewage?

All drain systems in your house must be properly vented to prevent sewage gases from seeping into your home. If a vent pipe becomes clogged, sewer air will not have a vent through your house. This situation often results in leaking odors, and they typically come from the walls around the vent pipe.

How do I get my drain to stop smelling?

Follow these simple steps:

  1. Pour a 1/2 cup baking soda down the drain.
  2. Pour a 1/2 cup lemon juice down the drain as well.
  3. Plug the drain and let the solution work for one hour.
  4. Finish by running the hot tap water down the drain.


How do you clean a basement floor drain?

Pour the vinegar down the drain to kill the accumulated bacteria and eliminate the sewer gas odors. Let that sit for 10 minutes. Flush the vinegar with more boiling water, and then repeat the entire process several times until the drain is sufficiently clean and odor free.

Can I pour bleach down my basement drain?

Bleach is a powerful, toxic substance that should be used carefully and properly, and pouring it down a drain is not a proper use. Bleach can react with other substances in your pipes, potentially release fumes, and further plug up the system.

Why does it smell like poop in my basement?

If it smells like garbage, rotten eggs or feces, you may have a bigger problem on your hands. This odor is generally the result of a build-up of waste materials found in a septic system or public sewer system. It may be caused by a crack or clog in the plumbing system itself, or a crack or clog n the venting pipes.

Why does my sump pit smell like sewage?

Sewage Infiltration



A broken sewer line near or beneath your foundation may gradually leech raw sewage into the ground water. When tainted ground water enters the sump basin, the distinct smell of sewage is emitted.