Gravely
Key Takeaway
Gravely is classified as low hazard in Montana. It was completed in 1973 and is 53 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 70.3% in MT) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 25 acre-ft |
| Year Completed | 1973 (53 years old) |
| NID ID | MT01377 |
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
RAY MURRAY
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Gravely?
Gravely 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 Gravely?
Gravely is owned by RAY MURRAY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gravely built?
Gravely was completed in 1973, making it 53 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 Gravely?
Gravely 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 Gravely?
Gravely 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.