Winchester Dam
Key Takeaway
Winchester Dam is classified as significant hazard in Michigan. It was completed in 1954 and is 72 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 39.7% in MI) |
| Dam Length | 362 ft |
| Dam Type | Earth |
| Max Storage | 7.5K acre-ft |
| Normal Storage | 6.1K acre-ft |
| Surface Area | 1,420 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 900 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | MI00364 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MDNR Wildlife
State Government
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Winchester Dam?
Winchester Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Winchester Dam?
Winchester Dam is owned by MDNR Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Winchester Dam built?
Winchester Dam was completed in 1954, making it 72 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 Winchester Dam?
Winchester 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 Winchester Dam?
Winchester Dam has a dam height of 13 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 Winchester Dam last inspected?
Winchester Dam was last inspected on August 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.