Upper Mill Dam, located in Dowagiac, Michigan, is a privately owned structure on Dowagiac Creek that serves primarily for recreational purposes. Built in 1970, this earth dam stands at a height of 14.3 feet and has a length of 400 feet, with a capacity of 1330 acre-feet. The dam has a spillway width of 45 feet and a maximum discharge rate of 1130 cubic feet per second, making it a significant water resource in the area.
Despite its age, Upper Mill Dam has been assessed as being in satisfactory condition, with a high hazard potential due to its location. The dam is regulated and inspected by the Michigan Department of Environment, Great Lakes, and Energy, with the last inspection conducted in September 2015. With a moderate risk assessment rating of 3, the dam's emergency action plan is up to date as of September 2020, ensuring that necessary measures are in place to mitigate any potential risks associated with the structure. For water resource and climate enthusiasts, Upper Mill Dam provides a fascinating insight into the management and maintenance of dams for recreational and environmental purposes in the state of Michigan.
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