What causes sewer gas smell in my 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.Click to see full answer. Correspondingly, why do I smell sewer gas in my house? Basement floor drain a common source of sewer gas When we smell this gas in homes, many times it’s caused by a small problem, such as a dried out water seal in a floor drain. Other times a sewer gas smell is a sign of a bigger problem, such as a broken sewer or vent stack.Subsequently, question is, how do you get sewer smell out of your house? Baking soda and vinegar 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. Also to know is, why does my basement smell like rotten eggs? 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. Ignoring the smell can cause health problems for you and your family.Will a carbon monoxide detector detect sewer gas?Carbon monoxide alarms ALONE do NOT detect propane/methane/natural gas leaks. Carbon monoxide sensors detect ONLY carbon monoxide, not raw fuel or fumes. It does not take striking a match to cause a gas explosion or fire. Each gas appliance is a potential source of a gas leak.