Jann Jensen Dam
Key Takeaway
Jann Jensen Dam is classified as low hazard in Nebraska. It was completed in 1960 and is 66 years old. Its primary use is other.
Physical Details
| Dam Height | 28 ft (taller than 59.7% in NE) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 65 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 77 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | NE02775 |
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
Seward County Highway Dept.
Local Government
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What is the hazard classification of Jann Jensen Dam?
Jann Jensen 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 Jann Jensen Dam?
Jann Jensen Dam is owned by Seward County Highway Dept. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jann Jensen Dam built?
Jann Jensen 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 Jann Jensen Dam?
Jann Jensen Dam 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 Jann Jensen Dam?
Jann Jensen Dam has a dam height of 28 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 Jann Jensen Dam last inspected?
Jann Jensen Dam was last inspected on April 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.