Thorn Tree Dam
Key Takeaway
Thorn Tree Dam is classified as low hazard in Iowa. It was completed in 1997 and is 29 years old. Its primary use is recreation.
Physical Details
| Dam Height | 42 ft (taller than 87.5% in IA) |
| Dam Length | 663 ft |
| Dam Type | Earth |
| Max Storage | 285 acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1997 (29 years old) |
| NID ID | IA03102 |
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
Thorn Tree Development
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Thorn Tree Dam?
Thorn Tree 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 Thorn Tree Dam?
Thorn Tree Dam is owned by Thorn Tree Development (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thorn Tree Dam built?
Thorn Tree Dam was completed in 1997, making it 29 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 Thorn Tree Dam?
Thorn Tree Dam serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Thorn Tree Dam?
Thorn Tree Dam has a dam height of 42 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.