OF course there are toxic chemicals in many drinking waters

The way the Trump administration has been functioning by basically shutting down the EPA there couldn't be anything else going on, especially east of the Mississippi where most states don't have their own EPA like California does. Even here in California Mountain Lions are dying from Mercury poisoning. Why?

Because they are getting it from the fog off the ocean in their coats. Think about this for a moment!

 But, unless you are homeless and living outside all the time likely you won't die of mercury poisoning anytime soon because you likely aren't spending enough time outside in the fog coming off the ocean in Northern California on the coast.