Yankee Doodle Tailings Dam
Key Takeaway
Yankee Doodle Tailings Dam is classified as high hazard in Montana. It was completed in 1972 and is 54 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 570 ft (taller than 100% in MT) |
| Dam Length | 13,200 ft |
| Dam Type | Rockfill |
| Max Storage | 7.2K acre-ft |
| Max Discharge | 502 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | MT01425 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MONTANA RESOURCES
Private
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What is the hazard classification of Yankee Doodle Tailings Dam?
Yankee Doodle Tailings Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Yankee Doodle Tailings Dam?
Yankee Doodle Tailings Dam is owned by MONTANA RESOURCES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Yankee Doodle Tailings Dam built?
Yankee Doodle Tailings Dam was completed in 1972, making it 54 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 Yankee Doodle Tailings Dam?
Yankee Doodle Tailings Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Yankee Doodle Tailings Dam?
Yankee Doodle Tailings Dam has a dam height of 570 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.
When was Yankee Doodle Tailings Dam last inspected?
Yankee Doodle Tailings Dam was last inspected on February 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.