Lake Michigan and the Chicago skyline on Wednesday, Feb. 5, 2020. (WTTW News)

Will new EPA regulations allow a Wisconsin power plant to dump more toxic metals into Lake Michigan? Chicago Tribune reporter Michael Hawthorne explains.

Chicago prepares for stepped-up deportation raids. R. Kelly is nabbed by federal agents. Mayor Lori Lightfoot halts water meter installations over lead concerns. And an alligator evades capture at Humboldt Park Lagoon.

(Steve Johnson / Flickr)

Why so many Chicago homes are testing high for lead in their water – and what you can do about it.