http://www.nytimes.com/2016/02/09/us/regulatory-gaps-leave-unsafe-lead-levels-in-water-nationwide.html

Long, but worth the time.

Highlights include: increased snow leads to increased salt changes the chemistry of the ground water, leads to lead leaching. Lansing is wrapping up replacing all its lead lines. For a while, they were encountering resistance from property owners. Not after Flint. Discussion of other water issues beyond lead.