Weson
Key Takeaway
Weson is classified as low hazard in Montana. It was completed in 1951 and is 75 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 22 ft (taller than 63.5% in MT) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 282 acre-ft |
| Normal Storage | 154 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 750 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | MT00993 |
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
JOHN A WESEN
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Weson?
Weson 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 Weson?
Weson is owned by JOHN A WESEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Weson built?
Weson was completed in 1951, making it 75 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 Weson?
Weson 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 Weson?
Weson has a dam height of 22 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.