Don’t worry—you’re not sipping raw river water with tadpoles in it. (Probably.) It goes through a serious makeover first.
Your local water treatment plant is basically a high-tech spa. They add chemicals to make dirt clump together and sink. They filter it through sand. They even blast it with ultraviolet light.
Fun fact: that “pool smell” you hate? That’s chlorine doing its job to kill actual scary stuff. It’s a necessary evil—like your mom checking your homework.