Marsh Lake
Key Takeaway
Marsh Lake is classified as low hazard in Montana. It was completed in 1956 and is 70 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 8 ft (taller than 0.5% in MT) |
| Dam Length | 314 ft |
| Dam Type | Earth |
| Max Storage | 68 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 54 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | MT01272 |
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
Larry G Young
Private
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Marsh Lake?
Marsh Lake 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 Marsh Lake?
Marsh Lake is owned by Larry G Young (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Marsh Lake built?
Marsh Lake 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 Marsh Lake?
Marsh Lake 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 Marsh Lake?
Marsh Lake has a dam height of 8 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.