Officials issue warning to more than 400,000 residents after dangerous chemicals found in drinking water: 'A lot of people don't know it'

Officials issue warning to more than 400,000 residents after dangerous chemicals found in drinking water: 'A lot of people don't know it'

More than 400,000 Illinois residents received a letter warning them that dangerous "forever chemicals" had been discovered in their drinking water.  What's happening? The message from the Illinois Environmental Protection Agency went out to users of 47 public water systems after PFAS were discovered, according to Inside Climate News.  Crest Hill, 30 miles southwest of Chicago, was one of the affected communities. Two PFAS chemicals — perfluorooc…