South Fork 4-2
Key Takeaway
South Fork 4-2 is classified as low hazard in Nebraska. It was completed in 1978 and is 48 years old. Its primary use is other.
Physical Details
| Dam Height | 35 ft (taller than 81.9% in NE) |
| Dam Length | 1,027 ft |
| Dam Type | Earth |
| Max Storage | 332 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 511 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | NE01660 |
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
Nemaha Natural Resources District
Local Government
Nearby Dams
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Significant Hazard 35 ftRichard Farwell Dam
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Low Hazard 36 ftSouth Fork 2-5
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Low Hazard 31 ftSouth Fork 3-1
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Low Hazard 30 ftSouth Fork 2-6
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Low Hazard 38 ftSouth Fork 3-4
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of South Fork 4-2?
South Fork 4-2 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 South Fork 4-2?
South Fork 4-2 is owned by Nemaha Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Fork 4-2 built?
South Fork 4-2 was completed in 1978, making it 48 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 South Fork 4-2?
South Fork 4-2 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 South Fork 4-2?
South Fork 4-2 has a dam height of 35 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 South Fork 4-2 last inspected?
South Fork 4-2 was last inspected on May 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.