In a massive country-wide study, the EPA now has an idea of which harmful contaminants called "forever chemicals" or PFAS are found in public water systems. "This is just the first wave of reporting across the country and it's only about 15% of sites being tested," said Phil Thompson, a civil and environmental engineering professor at Seattle University. He said these contaminants are organic chemicals from fire retardants or non-stick coatings on pots and pans. READ MORE: https://www.king5.com/article/tech/science/environment/epa-discovers-forever-chemicals-local-water-systems/281-025a5f49-4591-42e4-a3b6-678364e5897c