Mud Lake Dam

About Mud Lake Dam

The primary purpose of Mud Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Parks & Recreation (state). It impounds the Mud Lake Outlet near Waterloo.

The dam stands 9 feet tall and stretches 100 feet across, creates a reservoir covering 250 acres, has a maximum storage capacity of 184 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1840, the structure is one of the older dams in the region, with over a century and a half of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/19/2002. That was over 23 years ago.

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