Cinnamon #4
Key Takeaway
Cinnamon #4 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 | 30 ft (taller than 82.7% in MT) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 132 acre-ft |
| Normal Storage | 86 acre-ft |
| Year Completed | 1973 (53 years old) |
| NID ID | MT02416 |
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
TWO DOT LAND & LIVESTOCK CO.
Private
Nearby Dams
Cinnamon #3
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Low Hazard 20 ftCinnamon #1
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Low Hazard 15 ftMarstaeller Irrigation Dam
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Low Hazard 39 ftHarlowton Sewage Lagoon
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Low Hazard 10 ftCinnamon #2
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Low Hazard 19 ftLebo #3,East Dam
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High Hazard 27 ftLebo #2 Ne Dam
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Significant Hazard 15 ftDonald
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Cinnamon #4?
Cinnamon #4 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 Cinnamon #4?
Cinnamon #4 is owned by TWO DOT LAND & LIVESTOCK CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cinnamon #4 built?
Cinnamon #4 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 Cinnamon #4?
Cinnamon #4 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 Cinnamon #4?
Cinnamon #4 has a dam height of 30 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.