Revealed: the ‘shocking’ levels of toxic lead in Chicago tap water

Tests performed for thousands of Chicago residents found lead, a neurotoxin, in amounts far exceeding the federal standards

One in twenty tap water tests performed for thousands of Chicago residents found lead, a neurotoxin, at or above US government limits, according to a Guardian analysis of a City of Chicago data trove.

And one-third had more lead than is permitted in bottled water.