Since the Flint Water Crisis in Michigan, concern in the U.S. over lead in drinking water has increased. Information about water from private wells has been limited because such wells are exempt from the 1974 Safe Drinking Water Act, the 1986 Lead Ban and the 2011 Reduction of Lead in Drinking Water Act. Now, researchers report a case study in ACS’ journal Environmental Science & Technology that sheds some light on the hidden health risks.