Draper Dam
Key Takeaway
Draper Dam is classified as low hazard in Iowa. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 46 ft (taller than 92.5% in IA) |
| Dam Length | 540 ft |
| Dam Type | Earth |
| Max Storage | 145 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | IA00385 |
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
Winifred Draper
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Draper Dam?
Draper 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 Draper Dam?
Draper Dam is owned by Winifred Draper (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Draper Dam built?
Draper Dam was completed in 1963, making it 63 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 Draper Dam?
Draper Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Draper Dam?
Draper Dam has a dam height of 46 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 Draper Dam last inspected?
Draper Dam was last inspected on October 13, 1964. Inspection dates indicate when a formal review occurred, not the results of that inspection.