Lewis Dam 681
Key Takeaway
Lewis Dam 681 is classified as low hazard in Nebraska. It was completed in 1959 and is 67 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 20 ft (taller than 28.5% in NE) |
| Dam Length | 262 ft |
| Dam Type | Earth |
| Max Storage | 104 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 602 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | NE00681 |
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
T-L Irrigation
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Lewis Dam 681?
Lewis Dam 681 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 Lewis Dam 681?
Lewis Dam 681 is owned by T-L Irrigation (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lewis Dam 681 built?
Lewis Dam 681 was completed in 1959, making it 67 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 Lewis Dam 681?
Lewis Dam 681 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 Lewis Dam 681?
Lewis Dam 681 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 Lewis Dam 681 last inspected?
Lewis Dam 681 was last inspected on June 5, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.