Otranto Dam
Key Takeaway
Otranto Dam is classified as low hazard in Iowa. It was completed in 1902 and is 124 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft |
| Dam Length | 170 ft |
| Dam Type | Gravity |
| Max Storage | 168 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 656 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1902 (124 years old) |
| NID ID | IA03066 |
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
Mitchell County Conservation Board
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Otranto Dam?
Otranto 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 Otranto Dam?
Otranto Dam is owned by Mitchell County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Otranto Dam built?
Otranto Dam was completed in 1902, making it 124 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 Otranto Dam?
Otranto 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 Otranto Dam?
Otranto Dam has a dam height of 7 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.