Johnson Dam 1706
Key Takeaway
Johnson Dam 1706 is classified as low hazard in Nebraska. It was completed in 1979 and is 47 years old. Its primary use is other.
Physical Details
| Dam Height | 46 ft (taller than 95.1% in NE) |
| Dam Length | 490 ft |
| Dam Type | Earth |
| Max Storage | 59 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 55 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | NE01706 |
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
Otoe County
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Johnson Dam 1706?
Johnson Dam 1706 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 Johnson Dam 1706?
Johnson Dam 1706 is owned by Otoe County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Dam 1706 built?
Johnson Dam 1706 was completed in 1979, making it 47 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 Dam 1706?
Johnson Dam 1706 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 Johnson Dam 1706?
Johnson Dam 1706 has a dam height of 46 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 Dam 1706 last inspected?
Johnson Dam 1706 was last inspected on May 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.