O'Connor Dam 2
Key Takeaway
O'Connor Dam 2 is classified as low hazard in Nebraska. It was completed in 1955 and is 71 years old. Its primary use is other.
Physical Details
| Dam Height | 9 ft (taller than 0.8% in NE) |
| Dam Length | 144 ft |
| Dam Type | Earth |
| Max Storage | 72 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,080 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | NE01430 |
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
Lloyd Waller Feedlot Inc
Private
Nearby Dams
O'Connor Dam 1
Dawson, NE
Low Hazard 13 ftLongley Dam
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Low Hazard 11 ftSeberger Dam
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Low Hazard 17 ftDawson County Road Dam 4
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Low Hazard 32 ftDawson County Road Dam 5
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Low Hazard 28 ftDawson County Road Dam 3
Dawson, NE
Low Hazard 34 ftDawson County Road Dam 6
Dawson, NE
Low Hazard 11 ftKnapple Dam
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of O'Connor Dam 2?
O'Connor Dam 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 O'Connor Dam 2?
O'Connor Dam 2 is owned by Lloyd Waller Feedlot Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Connor Dam 2 built?
O'Connor Dam 2 was completed in 1955, making it 71 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 O'Connor Dam 2?
O'Connor Dam 2 serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is O'Connor Dam 2?
O'Connor Dam 2 has a dam height of 9 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 O'Connor Dam 2 last inspected?
O'Connor Dam 2 was last inspected on November 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.