The answer to 'my emergency plumbing smells bad' is that a foul odor coming from your emergency plumbing is often caused by a buildup of bacteria, sewage, or other organic matter. This can happen when there is a clog or blockage in the pipes, a broken seal, or a leak that allows sewer gases to escape into your home.
Some common symptoms of smelly emergency plumbing include a rotten egg or sewage-like smell, gurgling noises coming from drains, and slow-draining sinks or tubs. In many cases, this can be a sign of a more serious plumbing issue that requires professional attention. While you can try some DIY fixes like using a plunger or drain cleaner, it's best to call a licensed plumber if the smell persists or gets worse.