Have you noticed an unpleasant odor drifting through your home? You didn’t burn dinner. You just cleaned the house. Still, for some reason, your home smells like the sewer. You can try to cover up the stench with scented candles, but this probably isn’t the best solution. This smell is typically caused by one of three reasons:Sewer trap plugs. Missing or loose sewer trap plugs are the most common cause of indoor sewer smell. Your sewer access pit contains a house trap. This is a U-shaped piece that traps water to serve as a barrier between the city sewer and your home. If the plug on this trap is poorly fitted or gone entirely, public sewer odor can travel into your home. Simply replace the plug, and your air should clear.Dried trap. If the water in the U-trap has dried up, it no longer ac