Corunna Dam
Key Takeaway
Corunna Dam is classified as significant hazard in Michigan. It was completed in 1843 and is 183 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 20.5% in MI) |
| Dam Length | 200 ft |
| Dam Type | Timber Crib |
| Max Storage | 80 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 507 sq mi |
| Max Discharge | 3,700 cfs |
| Year Completed | 1843 (183 years old) |
| NID ID | MI00379 |
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
City of Corunna
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Corunna Dam?
Corunna 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 Corunna Dam?
Corunna Dam is owned by City of Corunna (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Corunna Dam built?
Corunna Dam was completed in 1843, making it 183 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 Corunna Dam?
Corunna 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 Corunna Dam?
Corunna Dam has a dam height of 10 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 Corunna Dam last inspected?
Corunna Dam was last inspected on August 28, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.