Nicolaysen No. 2
Key Takeaway
Nicolaysen No. 2 is classified as low hazard in Wyoming. It was completed in 1909 and is 117 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 21.5% in WY) |
| Dam Length | 1,741 ft |
| Dam Type | Earth |
| Max Storage | 252 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1909 (117 years old) |
| NID ID | WY00210 |
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
KRO VENTURES LLC, ATTN: KAREN OVERTON
Private
Nearby Dams
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Low Hazard 14 ftNicolaysen
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Significant Hazard 22 ftEastgate
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High Hazard 60 ftWagner
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Low Hazard 9 ftBentley
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Low Hazard 26 ftCarroll No. 1
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Low Hazard 24 ftMcmurry No. 4
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High Hazard 64 ftFrequently Asked Questions
What is the hazard classification of Nicolaysen No. 2?
Nicolaysen No. 2 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 Nicolaysen No. 2?
Nicolaysen No. 2 is owned by KRO VENTURES LLC, ATTN: KAREN OVERTON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nicolaysen No. 2 built?
Nicolaysen No. 2 was completed in 1909, making it 117 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 Nicolaysen No. 2?
Nicolaysen No. 2 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 Nicolaysen No. 2?
Nicolaysen No. 2 has a dam height of 20 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 Nicolaysen No. 2 last inspected?
Nicolaysen No. 2 was last inspected on August 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.