Johnson Detention Dam 3
Key Takeaway
Johnson Detention Dam 3 is classified as significant hazard in Nebraska. It was completed in 1958 and is 68 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 84.1% in NE) |
| Dam Length | 712 ft |
| Dam Type | Earth |
| Max Storage | 996 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,488 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | NE00482 |
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
Paul L & Jacqeline R Johnson Living Trust
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Johnson Detention Dam 3?
Johnson Detention Dam 3 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 Johnson Detention Dam 3?
Johnson Detention Dam 3 is owned by Paul L & Jacqeline R Johnson Living Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Detention Dam 3 built?
Johnson Detention Dam 3 was completed in 1958, making it 68 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 Johnson Detention Dam 3?
Johnson Detention Dam 3 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 Johnson Detention Dam 3?
Johnson Detention Dam 3 has a dam height of 36 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 Johnson Detention Dam 3 last inspected?
Johnson Detention Dam 3 was last inspected on May 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.