Koch Dam 1
Key Takeaway
Koch Dam 1 is classified as low hazard in Nebraska. It was completed in 1966 and is 60 years old. Its primary use is other.
Physical Details
| Dam Height | 20 ft (taller than 28.5% in NE) |
| Dam Length | 287 ft |
| Dam Type | Earth |
| Max Storage | 56 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 361 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | NE01318 |
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
Marilyn A Evers
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Koch Dam 1?
Koch Dam 1 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 Koch Dam 1?
Koch Dam 1 is owned by Marilyn A Evers (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Koch Dam 1 built?
Koch Dam 1 was completed in 1966, making it 60 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 Koch Dam 1?
Koch Dam 1 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 Koch Dam 1?
Koch Dam 1 has a dam height of 20 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 Koch Dam 1 last inspected?
Koch Dam 1 was last inspected on July 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.