Ah okay. All cities I've ever lived in, or ever been to, have used aquifers for their drinking water, and have never fluoritdated or chlorinated their water du

Ah okay. All cities I've ever lived in, or ever been to, have used aquifers for their drinking water, and have never fluoritdated or chlorinated their water due to that. We currently use UV desinfection where I live. Yeah, if you use rivers and lakes I could understand it, but I never actually knew places would do that.