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Quick Answer: Why Does My Basement Smell Like Sewer

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 a sewer smell?

Start by pouring ¼ cup of baking soda down the drain, and then leave it for about 10 minutes. Then, follow it with one cup of vinegar. Let the mixture fizzle and work for a few minutes, and then finish by turning on the water and running the disposal to clear out any leftover food waste.

Why does my basement smell like septic?

The most common cause of sewer gas odors in a basement will be due to your home being equipped with a large basement floor drain. This drain runs deep into your sewer line, and can give off foul sewer gas odors when: There is damage present in the drain line. The drain line is clogged, or needs cleaning.

Why does the basement smell like poop?

Why does may basement smell like poop? This is most likely due to issues with the basement floor drain. When the seal in the floor drain pipe drys out it releases sewer gas. The smell that is released is similar to poop or rotten eggs.

Why does sewer smell come and go?

One of the most common causes of sewage smells is a clogged drain. When your home’s wastewater has nowhere to go, the odors will come back up the drain they should be going down.

How do you get rid of sewer smell in basement?

Pour a gallon of hot, boiling water down any drains that are rarely used, such as the basement drain or guest bathroom shower. This should help eliminate odors caused by dry traps.

How do I get rid of a smelly basement 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.

What does it mean if your basement smells like rotten eggs?

Sewer gas. That “rotten egg” smell in the basement is sewer gas, or hydrogen sulfide. A gas odor can be a sign of a small problem, like a dried out water seal in a floor drain. On a bigger scale, it can also indicate a broken sewer line or vent stack.

Why does basement 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 basement smell like rotten eggs when raining?

Raining often causes atmospheric pressure changes, which can lead to the air becoming heavy. As such, the methane gases typically found in the septic tank don’t flow through the vent as they normally would. Instead, they stay low to the ground, causing a foul smell similar to rotten eggs.

How do I get the rotten egg smell out of my basement?

The water will fill the trap and effectively block sewer gases. If the smell is strongest in your basement, the floor drain trap may have dried out. Pour a pitcher of water down the floor drain to refill the trap. If the smell dissipates, you’ve solved the problem.

Why does my sump pump smell like sewage?

After long periods of use, sump pumps dry out. When this happens, the sewer gas that collects in the pump gets released into the home because the water no longer shields the air from the gases. In the best case, this simply causes a foul odor.

How do restaurants get rid of sewer smell?

If the odors are coming from a drain, pour about half a gallon of water down the drain and wait a day or two. If the odors dissipate, it indicates that the trap was dry. However, this is a temporary fix. The trap will likely become dry again very soon.

How do you tell if your sewer vent pipe is clogged?

How to Tell if Your Plumbing Vent is Clogged A Primer on Plumbing Vents. Water Takes A Long Time to Drain. Dry and Empty Toilet Tanks. Foul Smells. Gurgling or “Glugging” Sounds as Water Goes Down the Drain. Get Those Clogs Out of Your Plumbing Vent ASAP.

Why can I smell sewage in my house?

A sewage smell in-house is usually a sign that your sewage treatment system has been damaged or has not received proper maintenance. It creates a natural barrier that prevents sewage gas from entering your house. If the traps are drying out or damaged in some way, it will let the gas leak into your home.

Does sewage smell like rotten eggs?

Sewer gas is primarily methane, which is odorless, but one of the other gases in the mix is hydrogen sulfide, which smells like rotten eggs. The hydrogen sulfide results from of the breakdown and decomposition of organic matter (the raw sewage). Ammonia and carbon dioxide are also in the mix.

Can you put Drano down a basement drain?

Can you put Drano in a basement floor drain? Yes, Drano is safe to put down most drains. If one bottle does not clear the sewage backup you will need to use a plumber’s snake.

Why does my house smell like sewer in the winter?

Most internal home sewer odors come from dry traps. Everything from cracks in the pipes to animals nesting and ice buildup in the vent stacks can cause horrible sewer odors to leak inside and outside the home.