James Dam 407
Key Takeaway
James Dam 407 is classified as significant hazard in Nebraska. It was completed in 1935 and is 91 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 24.6% in NE) |
| Dam Length | 293 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 832 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | NE00407 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Benjamin B. Ag Inc
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of James Dam 407?
James Dam 407 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates James Dam 407?
James Dam 407 is owned by Benjamin B. Ag Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was James Dam 407 built?
James Dam 407 was completed in 1935, making it 91 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 James Dam 407?
James Dam 407 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is James Dam 407?
James Dam 407 has a dam height of 19 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 James Dam 407 last inspected?
James Dam 407 was last inspected on May 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.