Loch Erin Dam
Key Takeaway
Loch Erin Dam is classified as significant hazard in Michigan. It was completed in 1971 and is 55 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 63.6% in MI) |
| Dam Length | 3,970 ft |
| Dam Type | Earth |
| Max Storage | 6.3K acre-ft |
| Normal Storage | 4.7K acre-ft |
| Surface Area | 622 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 1,400 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | MI00441 |
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
Michigan National Bank
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Loch Erin Dam?
Loch Erin 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 Loch Erin Dam?
Loch Erin Dam is owned by Michigan National Bank (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Loch Erin Dam built?
Loch Erin Dam was completed in 1971, making it 55 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 Loch Erin Dam?
Loch Erin 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 Loch Erin Dam?
Loch Erin Dam has a dam height of 18 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 Loch Erin Dam last inspected?
Loch Erin Dam was last inspected on March 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.