Johnson Dam 7910
Key Takeaway
Johnson Dam 7910 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 | 11 ft (taller than 2.1% in NE) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Max Storage | 89 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | NE07910 |
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
Gary L & Carolyn J Potter
Private
Nearby Dams
Hammond Dam 7917
Furnas, NE
Low Hazard 15 ftMccue South Dam
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Significant Hazard 17 ftKnutson Dam 8148
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Significant Hazard 18 ftHuxoll Dam
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Low Hazard 14 ftPalmer Dam 3481
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Low Hazard 16 ftRuf Dam
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Johnson Dam 7910?
Johnson Dam 7910 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 7910?
Johnson Dam 7910 is owned by Gary L & Carolyn J Potter (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Dam 7910 built?
Johnson Dam 7910 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 Johnson Dam 7910?
Johnson Dam 7910 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 7910?
Johnson Dam 7910 has a dam height of 11 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 7910 last inspected?
Johnson Dam 7910 was last inspected on May 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.