Wallenstein
Key Takeaway
Wallenstein is classified as low hazard in Montana. It was completed in 1945 and is 81 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 75 ft |
| Dam Type | Earth |
| Max Storage | 93 acre-ft |
| Normal Storage | 48 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | MT00093 |
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
ERNEST WALLSTEIN
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Wallenstein?
Wallenstein 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 Wallenstein?
Wallenstein is owned by ERNEST WALLSTEIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wallenstein built?
Wallenstein was completed in 1945, making it 81 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 Wallenstein?
Wallenstein serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wallenstein?
Wallenstein has a dam height of 20 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.