Nicholson Dam
Key Takeaway
Nicholson 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 | 30 ft (taller than 48.2% in IA) |
| Dam Length | 470 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | IA02975 |
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
Roger Nicholson
Private
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High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Nicholson Dam?
Nicholson 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 Nicholson Dam?
Nicholson Dam is owned by Roger Nicholson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nicholson Dam built?
Nicholson 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 Nicholson Dam?
Nicholson 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 Nicholson Dam?
Nicholson Dam has a dam height of 30 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.