What Causes Sewer Smell In Basement

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?

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 am I smelling sewer gas in my basement?

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 my house randomly smell like sewer?

If you are detecting foul sewer odors inside the house, this means that there is a weak link somewhere in your plumbing system. Possible sources include bathroom sink drains, toilets, kitchen drains, basement drains, old cast iron piping, or even the vent stack that goes out through your roof.

Why does it smell like poop in my basement?

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.

How do you get rid of sewer gas 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 you deodorize 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.

What does it mean if your basement smells 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.

Why does basement smell like rotten eggs?

Sewer gas. That “rotten egg” smell in the basement is sewer gas, or hydrogen sulfide. It comes from decaying organic matter like sewage in your plumbing lines, according to The Scottish Plumber on Angie’s List.

What would cause bathroom to smell like sewer?

Broken, Clogged or Poorly Installed Vent Pipes When it gets clogged, the sewer gases can back up into the sinks and the toilet, resulting in your bathroom’s sewage smells. You may experience a bubbling sound coming from the toilet or the drain as sewer gas forces its way into the bathroom.

How do you fix a smelly basement?

The Ultimate Guide To Eliminate Musty Basement Smells Throw Out Everything With Mold On It. Sand Away Any Mold And Vacuum Up The Dust. Use Vinegar And Baking Soda To Kill Mold And Deodorize. Get Rid of Darkness and Stagnant Air. Use A Dehumidifier Or Dessiccant Packs.

Is there a device to detect sewer gas?

A Sewer Gas Detector is a electronic handheld device that has a gooseneck with a sensor. The sensor detectors sewer gas coming from your drain in your shower, bathroom or kitchen. The sensor changes electronic signal and sent to the display showing you the gas concentration level detected.

What is the most common cause of floor drain smell?

The most common answer to this very common problem is the build-up of bacteria in the drain trap. These bacteria release smells and methane gas as a by-product of their life cycle.

Where Do basement floor drains go?

Your basement floor drain is located at the lowest point of your basement, and its job is to direct any water safely away from the house and to the sewer system or municipal storm drain system.

Do basement floor drains have a trap?

The floor drain is considered a sanitary fixture. That means it functions just like a toilet or sink or shower. It has a trap inside of it just as those items do, and it holds water to seal away any foul odors trying to get into your basement.

How do I get the rotten egg smell out of my 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.

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