Why Does My Shower Drain Smell Like Sewage
There are several common causes for a sewage odor coming up from the shower drain, including a clog in the drain line, a dry or dirty P-trap, mold or biofilm build-up, and leaking drain lines in the walls, ceiling, or under the floor. Drain Clogs One of the most frequent problems with a shower that can result in foul odors emanating from the drain is a clog. Dirt, grime, oils, hair, and other debris can get trapped in the drain line and act as a barrier, preventing similar items from getting washed down the drain....