Cowles Dam
Key Takeaway
Cowles Dam is classified as low hazard in Iowa. It was completed in 1991 and is 35 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 31 ft (taller than 53.8% in IA) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 113 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | IA02832 |
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
Eldon Cowles
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Cowles Dam?
Cowles 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 Cowles Dam?
Cowles Dam is owned by Eldon Cowles (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cowles Dam built?
Cowles Dam was completed in 1991, making it 35 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 Cowles Dam?
Cowles 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 Cowles Dam?
Cowles Dam has a dam height of 31 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.