Johnston & Thompson Dam
Key Takeaway
Johnston & Thompson Dam is classified as low hazard in Nebraska. It was completed in 1967 and is 59 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 22 ft (taller than 35.8% in NE) |
| Dam Length | 355 ft |
| Dam Type | Earth |
| Max Storage | 114 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 162 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | NE00231 |
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
Lange Revocable Trust
Private
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Significant Hazard 22 ftGebers Dam
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Johnston & Thompson Dam?
Johnston & Thompson 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 Johnston & Thompson Dam?
Johnston & Thompson Dam is owned by Lange Revocable Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnston & Thompson Dam built?
Johnston & Thompson Dam was completed in 1967, making it 59 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 Johnston & Thompson Dam?
Johnston & Thompson Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Johnston & Thompson Dam?
Johnston & Thompson Dam has a dam height of 22 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 Johnston & Thompson Dam last inspected?
Johnston & Thompson Dam was last inspected on April 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.