Armells Reservoir
Key Takeaway
Armells Reservoir 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 | 38 ft (taller than 94.3% in MT) |
| Dam Length | 905 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 354 acre-ft |
| Surface Area | 40 acres |
| Year Completed | 1951 (75 years old) |
| NID ID | MT01033 |
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
WYTANA PROPERTIES L.P.
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Armells Reservoir?
Armells Reservoir 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 Armells Reservoir?
Armells Reservoir is owned by WYTANA PROPERTIES L.P. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Armells Reservoir built?
Armells Reservoir 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 Armells Reservoir?
Armells 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 Armells Reservoir?
Armells Reservoir has a dam height of 38 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.