Ryan-Tronrud Dam
Key Takeaway
Ryan-Tronrud Dam is classified as significant hazard in Montana. It was completed in 1956 and is 70 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 63.5% in MT) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 800 acre-ft |
| Normal Storage | 800 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 20 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | MT00381 |
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
CHUCK M REIN
Private
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What is the hazard classification of Ryan-Tronrud Dam?
Ryan-Tronrud Dam 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 Ryan-Tronrud Dam?
Ryan-Tronrud Dam is owned by CHUCK M REIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ryan-Tronrud Dam built?
Ryan-Tronrud Dam was completed in 1956, making it 70 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 Ryan-Tronrud Dam?
Ryan-Tronrud Dam 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 Ryan-Tronrud Dam?
Ryan-Tronrud Dam has a dam height of 22 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.