Brown Coulee (Rosebud)
Key Takeaway
Brown Coulee (Rosebud) 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 | 30 ft (taller than 82.7% in MT) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 778 acre-ft |
| Normal Storage | 506 acre-ft |
| Year Completed | 1950 (76 years old) |
| NID ID | MT00126 |
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
JACK GALT
Private
Nearby Dams
Lower Blacktail Reservoir
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Significant Hazard 25 ftKerns (Rosebud)
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Significant Hazard 25 ftJ Galt #7
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Low Hazard 12 ftCherry Creek #7
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Low Hazard 20 ftZ Cake
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Low Hazard 15 ftJ Galt #11
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Low Hazard 18 ftJ Galt #8
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Brown Coulee (Rosebud)?
Brown Coulee (Rosebud) 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 Brown Coulee (Rosebud)?
Brown Coulee (Rosebud) is owned by JACK GALT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Brown Coulee (Rosebud) built?
Brown Coulee (Rosebud) 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 Brown Coulee (Rosebud)?
Brown Coulee (Rosebud) 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 Brown Coulee (Rosebud)?
Brown Coulee (Rosebud) has a dam height of 30 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.