Upper Magpie Reservoir
Key Takeaway
Upper Magpie Reservoir is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 24 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | MT02889 |
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
CEDAR CREEK GRAZING ASSOC
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Upper Magpie Reservoir?
Upper Magpie 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 Upper Magpie Reservoir?
Upper Magpie Reservoir is owned by CEDAR CREEK GRAZING ASSOC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Magpie Reservoir built?
Upper Magpie Reservoir 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 Upper Magpie Reservoir?
Upper Magpie Reservoir serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Magpie Reservoir?
Upper Magpie Reservoir has a dam height of 15 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.