Edenville Dam spillway concerns date back to 1993
Beginning in 1993, officials from the Federal Energy Regulatory Commission warned several times that the spillways of Edenville Dam in Michigan were not capable of passing floodwaters during the largest theoretically possible flooding event. Read the full story by the Midland Daily News.
Great Lakes Commission
https://www.glc.org/dailynews/20200708-edenville-dam


Along these lines, I greatly enjoyed 


Crystal M.C. Davis, Alliance for the Great Lakes, Director for Policy and Strategic Engagement