5,300 U.S. water systems are in violation of lead rules

Eighteen million Americans live in communities where the water systems are in violation of the law. Moreover, the federal agency in charge of making sure those systems are safe not only knows the issues exist, but it's done very little to stop them, according to a new report and information provided to CNN by multiple sources and water experts.

http://www.cnn.com/2016/06/28/us/epa-lead-in-u-s-water-systems/