Robbie
Key Takeaway
Robbie is classified as significant hazard in Montana. It was completed in 1977 and is 49 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 98 acre-ft |
| Normal Storage | 54 acre-ft |
| Year Completed | 1977 (49 years old) |
| NID ID | MT01056 |
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
JUSTIN T CUMIN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Robbie?
Robbie 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 Robbie?
Robbie is owned by JUSTIN T CUMIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Robbie built?
Robbie was completed in 1977, making it 49 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 Robbie?
Robbie 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 Robbie?
Robbie has a dam height of 25 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.