An additional 18 million kids attended schools where officials didn't test the drinking water for lead, or where officials didn't know whether they had tested.
Two new analyses make clear the Environmental Protection Agency and the Department of Defense have downplayed the public-health threat posed by chemicals used to develop Teflon and Scotchgard.
The Environmental Protection Agency made a splash on Tuesday for barring journalists from three news outlets from attending, in person, a summit about contaminants in drinking water.
Even after 35 years of efforts to resolve the issue, toxic farm water is being pushed into a local park and showing up in the eggs of local bird species.
As the Trump administration attempts to roll back regulations on coal ash ponds, a new report highlights the dangers posed by storing toxic waste next to rivers.
A sprawl of mobile home parks house 10,000 people in Southern California's Coachella Valley, but their drinking water is chronically contaminated. Now some solutions are in sight.