If your water smells like actual poop—I’m not sugarcoating it—you have a serious issue. That’s often a sign of bacteria from a septic system leak or a broken sewer line.
Brown or Smelly Water: Causes, Risks, and When to Call a Plumber | POM
Do not try a DIY fix here. Call a plumber immediately, and maybe don’t drink the water until they’ve checked it. Like, right now. Put the glass down.
It’s rare, but when it happens, it’s the water’s way of screaming for professional help. And you don’t want to argue with a screaming sewer pipe.
