Sam
Key Takeaway
Sam is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 12 ft (taller than 9.2% in MT) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 526 acre-ft |
| Normal Storage | 156 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | MT03010 |
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
DUANE SKOYEN
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Sam?
Sam 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 Sam?
Sam is owned by DUANE SKOYEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sam built?
Sam was completed in 1960, making it 66 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 Sam?
Sam 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 Sam?
Sam has a dam height of 12 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.