Marlay Dam
Key Takeaway
Marlay Dam is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 27 ft (taller than 30.7% in IA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 121 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IA03440 |
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
Lyle Marlay
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Marlay Dam?
Marlay 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 Marlay Dam?
Marlay Dam is owned by Lyle Marlay (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marlay Dam built?
Marlay Dam was completed in 1999, making it 27 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 Marlay Dam?
Marlay Dam serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Marlay Dam?
Marlay Dam has a dam height of 27 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.