Rocky Crossing Reservoir
Key Takeaway
Rocky Crossing Reservoir is classified as significant hazard in Montana. It was completed in 1950 and is 76 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 9.2% in MT) |
| Dam Length | 3,100 ft |
| Dam Type | Earth |
| Max Storage | 721 acre-ft |
| Normal Storage | 491 acre-ft |
| Drainage Area | 471 sq mi |
| Year Completed | 1950 (76 years old) |
| NID ID | MT03665 |
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
JOSEPH SCHMIT
Private
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Schmidt
Hill, MT
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High HazardFrequently Asked Questions
What is the hazard classification of Rocky Crossing Reservoir?
Rocky Crossing Reservoir 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 Rocky Crossing Reservoir?
Rocky Crossing Reservoir is owned by JOSEPH SCHMIT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rocky Crossing Reservoir built?
Rocky Crossing Reservoir was completed in 1950, making it 76 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 Rocky Crossing Reservoir?
Rocky Crossing Reservoir 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 Rocky Crossing Reservoir?
Rocky Crossing Reservoir has a dam height of 12 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.