Is there anywhere in the US that you can live without fear or worry of having contaminated water or air?
Pretty much everywhere. Tap water in the us is perfectly safe in most places.
"Allaire found the amount of violations varied by year, affecting as many as 45 million people in some years, representing about 28% of the U.S. population."
https://www.usatoday.com/story/news/health/2018/02/12/tens-m...
"Tainted tap water isn’t just a problem in Flint, Michigan. In any given year from 1982 to 2015, somewhere between 9 million and 45 million Americans got their drinking water from a source that was in violation of the Safe Drinking Water Act, according to a new study"
http://www.sciencemag.org/news/2018/02/millions-americans-dr...