Removing lead from Minnesota drinking water could cost $4 billion, but benefits could be double that

Tens of thousands of aging pipes that bring water into Minnesota homes also carry the threat of an invisible neurotoxin: lead.

Prompted by the lead poisoning crisis in Flint, Mich., the state of Minnesota examined the scope of the problem here and what it would cost to fix it. On Thursday, the Minnesota Department of Health provided its estimate: up to $4 billion over two decades. But the benefits, in better health, higher IQs and productivity, could be double that amount, it says.

http://www.startribune.com/removing-lead-from-drinking-water-could-cost-4-billion-but-benefits-could-be-double/506526422/