Williams Mill Dam
Key Takeaway
Williams Mill Dam is classified as low hazard in Michigan. It was completed in 1870 and is 156 years old. Its primary use is recreation.
Physical Details
| Dam Height | 17 ft (taller than 61.1% in MI) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 760 cfs |
| Year Completed | 1870 (156 years old) |
| NID ID | MI00007 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
I & L Williams
Private
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Williams Mill Dam?
Williams Mill Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Williams Mill Dam?
Williams Mill Dam is owned by I & L Williams (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williams Mill Dam built?
Williams Mill Dam was completed in 1870, making it 156 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Williams Mill Dam?
Williams Mill Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Williams Mill Dam?
Williams Mill Dam has a dam height of 17 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Williams Mill Dam last inspected?
Williams Mill Dam was last inspected on January 1, 1901. Inspection dates indicate when a formal review occurred, not the results of that inspection.