Horn
Key Takeaway
Horn is classified as low hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 45 ft (taller than 91.2% in WY) |
| Dam Length | 814 ft |
| Dam Type | Earth |
| Max Storage | 270 acre-ft |
| Normal Storage | 186 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | WY00777 |
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
RAMSBOTTOM RANCH
Private
Nearby Dams
Lyle
Johnson, WY
Low Hazard 37 ftHorn Creek
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Low Hazard 35 ftMallard #1
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Low Hazard 23 ftSimmons
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Low Hazard 24 ftDwight
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Low Hazard 34 ftRoger'S Folly No. 2
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Low Hazard 20 ftSouth Fork
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Low Hazard 26 ftPole Creek Irrigation
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Significant Hazard 47 ftFrequently Asked Questions
What is the hazard classification of Horn?
Horn 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 Horn?
Horn is owned by RAMSBOTTOM RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Horn built?
Horn 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 Horn?
Horn 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 Horn?
Horn has a dam height of 45 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.
When was Horn last inspected?
Horn was last inspected on June 7, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.