Webnov 3, 2021 · millions of americans are unwittingly drinking water that includes an invisible toxic cocktail made up of contaminants linked to cancer, brain damage and other serious. You may not copy, reproduce, republish or distribute information from ewg’s tap water. Weblook up your local water system to find out which pollutants might be of concern, and find suggestions on the best kinds of home filters to remove those chemicals. Webnov 3, 2021 · the environmental working group (ewg) released updates to its tap water database on wednesday. It also shows legal and illegal levels of contaminants and the.