There are nearly 2,600 dams in Michigan, and more than 90% are going to hit or exceed their design life by 2020.
That's according to the American Society of Civil Engineers, which gave Michigan a grade of "D" on the condition of its dams.
Keith Metheny looked into the issue of Michigan's aging dams in a recent piece in the Detroit Free Press, where he is the environmental reporter. He joined us today.
Listen to the full interview above.
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