Magnum South
Key Takeaway
Magnum South is classified as low hazard in Montana. It was completed in 1950 and is 76 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 15 ft (taller than 18.8% in MT) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 711 acre-ft |
| Normal Storage | 364 acre-ft |
| Year Completed | 1950 (76 years old) |
| NID ID | MT00269 |
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
BURKHEARTSMEYER LAND CO
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Magnum South?
Magnum South 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 Magnum South?
Magnum South is owned by BURKHEARTSMEYER LAND CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Magnum South built?
Magnum South was completed in 1950, making it 76 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 Magnum South?
Magnum South 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 Magnum South?
Magnum South 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.