Allington Dam 4780
Key Takeaway
Allington Dam 4780 is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 20 ft (taller than 28.5% in NE) |
| Dam Length | 596 ft |
| Dam Type | Earth |
| Max Storage | 85 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | NE04780 |
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
Duane D. Allington Trust
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Allington Dam 4780?
Allington Dam 4780 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 Allington Dam 4780?
Allington Dam 4780 is owned by Duane D. Allington Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Allington Dam 4780 built?
Allington Dam 4780 was completed in 1960, making it 66 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 Allington Dam 4780?
Allington Dam 4780 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Allington Dam 4780?
Allington Dam 4780 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 Allington Dam 4780 last inspected?
Allington Dam 4780 was last inspected on September 28, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.