Triple Crossing
Key Takeaway
Triple Crossing is classified as low hazard in Montana. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 35 ft (taller than 92.6% in MT) |
| Dam Length | 2,313 ft |
| Dam Type | Earth |
| Max Storage | 6.3K acre-ft |
| Normal Storage | 4.4K acre-ft |
| Max Discharge | 2,140 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | MT00689 |
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
PAGE-WHITHAM
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Triple Crossing?
Triple Crossing 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 Triple Crossing?
Triple Crossing is owned by PAGE-WHITHAM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Triple Crossing built?
Triple Crossing was completed in 1961, making it 65 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 Triple Crossing?
Triple Crossing serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Triple Crossing?
Triple Crossing has a dam height of 35 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.