What Does Septic Smell Like - Common causes of septic system odors include household items such as cooking grease and food waste, chemicals from. Sniff around, especially outside, to. Sewer gas isn’t necessarily toxic at low levels. Septic odors smell like sulfur (think rotten eggs). The hydrogen sulfide in sewer gas is what gives it its signature rotten egg smell. Have you noticed any new odors in your house?
Sewer gas isn’t necessarily toxic at low levels. Have you noticed any new odors in your house? Sniff around, especially outside, to. Septic odors smell like sulfur (think rotten eggs). The hydrogen sulfide in sewer gas is what gives it its signature rotten egg smell. Common causes of septic system odors include household items such as cooking grease and food waste, chemicals from.