Oak-Middle 57-A
Key Takeaway
Oak-Middle 57-A is classified as low hazard in Nebraska. It was completed in 1968 and is 58 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 43 ft (taller than 93% in NE) |
| Dam Length | 1,530 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 383 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 363 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | NE00080 |
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
Lower Platte South Natural Resources District
Local Government
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Low Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Oak-Middle 57-A?
Oak-Middle 57-A 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 Oak-Middle 57-A?
Oak-Middle 57-A is owned by Lower Platte South Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Oak-Middle 57-A built?
Oak-Middle 57-A was completed in 1968, making it 58 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 Oak-Middle 57-A?
Oak-Middle 57-A 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 Oak-Middle 57-A?
Oak-Middle 57-A has a dam height of 43 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 Oak-Middle 57-A last inspected?
Oak-Middle 57-A was last inspected on May 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.