Ross Dam
Key Takeaway
Ross Dam is classified as low hazard in Montana. It was completed in 1955 and is 71 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 16 ft (taller than 31.7% in MT) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 131 acre-ft |
| Normal Storage | 55 acre-ft |
| Year Completed | 1955 (71 years old) |
| NID ID | MT00082 |
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
ROSS RANCH & LIVESTOCK CO
Private
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Ross Dam?
Ross Dam 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 Ross Dam?
Ross Dam is owned by ROSS RANCH & LIVESTOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ross Dam built?
Ross Dam was completed in 1955, making it 71 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 Ross Dam?
Ross Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ross Dam?
Ross Dam has a dam height of 16 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.