Barley Reservoir
Key Takeaway
Barley Reservoir is classified as significant hazard in Montana. It was completed in 1958 and is 68 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 24 ft (taller than 67.5% in MT) |
| Dam Length | 2,070 ft |
| Dam Type | Earth |
| Max Storage | 378 acre-ft |
| Normal Storage | 187 acre-ft |
| Drainage Area | 18 sq mi |
| Year Completed | 1958 (68 years old) |
| NID ID | MT01764 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ALVA CORP.
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Barley Reservoir?
Barley Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Barley Reservoir?
Barley Reservoir is owned by ALVA CORP. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Barley Reservoir built?
Barley Reservoir was completed in 1958, making it 68 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 Barley Reservoir?
Barley Reservoir 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 Barley Reservoir?
Barley Reservoir has a dam height of 24 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.