Cook Reservoir (Wash)
Key Takeaway
Cook Reservoir (Wash) is classified as significant hazard in Oregon. It was completed in 1972 and is 54 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 54.8% in OR) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 14 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 73 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | OR01430 |
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
RON HOCHSTEIN
Private
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Cook Reservoir (Wash)?
Cook Reservoir (Wash) 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 Cook Reservoir (Wash)?
Cook Reservoir (Wash) is owned by RON HOCHSTEIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cook Reservoir (Wash) built?
Cook Reservoir (Wash) was completed in 1972, making it 54 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 Cook Reservoir (Wash)?
Cook Reservoir (Wash) serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cook Reservoir (Wash)?
Cook Reservoir (Wash) has a dam height of 28 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 Cook Reservoir (Wash) last inspected?
Cook Reservoir (Wash) was last inspected on November 14, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.