Corydon Reservoir Dam
Key Takeaway
Corydon Reservoir Dam is classified as significant hazard in Iowa. It was completed in 1974 and is 52 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 24.7% in IA) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 870 acre-ft |
| Normal Storage | 420 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1974 (52 years old) |
| Year Modified | 1974 |
| NID ID | IA01641 |
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 Corydon
Local Government
Nearby Dams
Blackford Dam
Wayne, IA
Low Hazard 16 ftAllen- Ewing Dam
Wayne, IA
Low Hazard 35 ftOen Dam
Wayne, IA
Low Hazard 28 ftHamm/Knutsen Dam
Wayne, IA
Low Hazard 17 ftRock Valley Lake Dam
Wayne, IA
Significant Hazard 39 ftGustafson/Harmon Dam
Wayne, IA
Low Hazard 25 ftWayne Co. Roadgrade Dam 16-69-21
Wayne, IA
Low Hazard 22 ftSchaefer Dam
Wayne, IA
Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Corydon Reservoir Dam?
Corydon Reservoir 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 Corydon Reservoir Dam?
Corydon Reservoir Dam is owned by City of Corydon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Corydon Reservoir Dam built?
Corydon Reservoir Dam was completed in 1974, making it 52 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 Corydon Reservoir Dam?
Corydon Reservoir 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 Corydon Reservoir Dam?
Corydon Reservoir Dam has a dam height of 26 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 Corydon Reservoir Dam last inspected?
Corydon Reservoir Dam was last inspected on May 31, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.