Cottonwood Meadows
Key Takeaway
Cottonwood Meadows is classified as significant hazard in Oregon. It was completed in 1961 and is 65 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 43.9% in OR) |
| Dam Length | 1,930 ft |
| Dam Type | Earth |
| Max Storage | 460 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 700 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | OR00373 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
OREGON DEPARTMENT OF FISH AND WILDLIFE
State Government
Nearby Dams
Micke
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Significant Hazard 20 ftCottonwood
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High Hazard 60 ftMuddy Creek Reservoir
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Significant Hazard 25 ftAndy Hill Reservoir
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Low Hazard 21 ftFenimore, Clyde Reservoir
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Low Hazard 15 ftDallas Lake Reservoir
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Low Hazard 28 ftLofton Reservoir (Lake)
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Cottonwood Meadows?
Cottonwood Meadows is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Cottonwood Meadows?
Cottonwood Meadows is owned by OREGON DEPARTMENT OF FISH AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cottonwood Meadows built?
Cottonwood Meadows was completed in 1961, making it 65 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 Cottonwood Meadows?
Cottonwood Meadows serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cottonwood Meadows?
Cottonwood Meadows has a dam height of 25 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 Cottonwood Meadows last inspected?
Cottonwood Meadows was last inspected on October 10, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.