Steamboat Rock Dam
Key Takeaway
Steamboat Rock Dam is classified as low hazard in Iowa. It was completed in 1930 and is 96 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 3.1% in IA) |
| Dam Length | 210 ft |
| Dam Type | Gravity |
| Max Storage | 355 acre-ft |
| Normal Storage | 355 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 730 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | IA03061 |
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
Iowa Department of Natural Resources
State Government
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Low Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Steamboat Rock Dam?
Steamboat Rock 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 Steamboat Rock Dam?
Steamboat Rock Dam is owned by Iowa Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Steamboat Rock Dam built?
Steamboat Rock Dam was completed in 1930, making it 96 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 Steamboat Rock Dam?
Steamboat Rock 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 Steamboat Rock Dam?
Steamboat Rock Dam has a dam height of 12 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.