Armstrong Dam
Key Takeaway
Armstrong Dam is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 16 ft (taller than 13.6% in NE) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 107 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 750 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | NE00675 |
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
William L & Margaret J Armstrong
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Armstrong Dam?
Armstrong Dam 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 Armstrong Dam?
Armstrong Dam is owned by William L & Margaret J Armstrong (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Armstrong Dam built?
Armstrong Dam 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 Armstrong Dam?
Armstrong Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Armstrong Dam?
Armstrong Dam has a dam height of 16 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 Armstrong Dam last inspected?
Armstrong Dam was last inspected on August 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.