Fluoride is a neurotoxin, yet is put in city water all over the united states. Our money is stolen to pay to put industrial waste in our water. 

There is a lawsuit in Florida to get the epa to ban fluoride in water. I have not kept up on this, but remember a bunch of pushback, delays, ect...

https://fluoridealert.org/news/epas-final-witnesses-concede-fluorides-harm-admit-to-flaws-in-key-study-as-trial-closes/