The Association of State Dam Safety Officials (ASDSO) can confirm that Edenville and Sanford Dams in Midland County, Michigan have failed. 

Both dams are located on the Tittabawassee River. The upstream Edenville Dam is state-regulated. It was previously regulated by the Federal Energy Regulatory Commission (FERC) until its power generation license was revoked in 2018. The downstream Sanford Dam remains FERC regulated. The dams were both completed in 1925 and are currently owned by Boyce Hydro Power LLC. 

Following the failure of the dams, Michigan Governor Gretchen Witmer declared a state of emergency for Midland County and urged residents to evacuate the area if they had not already. About 11,000 people have been evacuated from their residences as of Wednesday afternoon, and no fatalities or significant injuries have been reported. Both dams appear to have emergency action plans (EAPs) according to records.

ASDSO’s efforts are currently focused on supporting our impacted members and providing subject matter experts to the media. As of May 20, ASDSO has answered more than a dozen media inquiries. This situation is rapidly evolving, and we expect more information to be available in the coming days and weeks. ASDSO representatives are working to gather the most accurate information and will continue to update this page.  

Article Card Photo Credit: Tc Vortex via Reuters