Donald
Key Takeaway
Donald is classified as significant hazard in Montana. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 44.5% in MT) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 10 acre-ft |
| Normal Storage | 10 acre-ft |
| Max Discharge | 200 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MT00382 |
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
CAYUSE LIVESTOCK CO
Private
Nearby Dams
Cramer (Sweet Grass)
Sweet Grass, MT
Low Hazard 15 ftLebo #3,East Dam
Wheatland, MT
High Hazard 27 ftMcfarland-White
Wheatland, MT
Significant Hazard 35 ftWhite Elk Dam #2
Wheatland, MT
Low Hazard 8 ftRyan-Tronrud Dam
Sweet Grass, MT
Significant Hazard 22 ftWhite Elk (Wheatland)
Wheatland, MT
Significant Hazard 14 ftCinnamon #4
Wheatland, MT
Low Hazard 30 ftUpper Glasston West Dam
Sweet Grass, MT
High Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Donald?
Donald 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 Donald?
Donald is owned by CAYUSE LIVESTOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Donald built?
Donald was completed in 1963, making it 63 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 Donald?
Donald serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Donald?
Donald has a dam height of 20 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.