East Cottonwood Canyon
Key Takeaway
East Cottonwood Canyon is classified as low hazard in Nebraska. It was completed in 1941 and is 85 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 26 ft (taller than 50.7% in NE) |
| Dam Length | 273 ft |
| Dam Type | Earth |
| Normal Storage | 66 acre-ft |
| Surface Area | 2 acres |
| Year Completed | 1941 (85 years old) |
| NID ID | NE01043 |
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
Central Nebraska Public Power & Irrigation District
Public Utility
Nearby Dams
Cottonwood Canyon
Lincoln, NE
Low Hazard 31 ftTarget Canyon
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Low Hazard 30 ftRoss Dam
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Significant Hazard 16 ftLittle West Snell
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Low Hazard 26 ftWest Snell
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Low Hazard 37 ftMiddle Snell
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Low Hazard 25 ftSnell Canyon
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Low Hazard 25 ftBoxelder Canyon
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of East Cottonwood Canyon?
East Cottonwood Canyon 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 East Cottonwood Canyon?
East Cottonwood Canyon is owned by Central Nebraska Public Power & Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Cottonwood Canyon built?
East Cottonwood Canyon was completed in 1941, making it 85 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 East Cottonwood Canyon?
East Cottonwood Canyon serves the following purposes: Irrigation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Cottonwood Canyon?
East Cottonwood Canyon has a dam height of 26 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 East Cottonwood Canyon last inspected?
East Cottonwood Canyon was last inspected on August 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.