Olson Flashboard Dam
Key Takeaway
Olson Flashboard Dam is classified as significant hazard in Oregon. It was completed in 1975 and is 51 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 12.5% in OR) |
| Dam Length | 180 ft |
| Dam Type | Other |
| Max Storage | 160 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 36 sq mi |
| Max Discharge | 5,000 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | OR00659 |
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
FLYING HILLS FARM
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Olson Flashboard Dam?
Olson Flashboard Dam 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 Olson Flashboard Dam?
Olson Flashboard Dam is owned by FLYING HILLS FARM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Olson Flashboard Dam built?
Olson Flashboard Dam was completed in 1975, making it 51 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 Olson Flashboard Dam?
Olson Flashboard Dam 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 Olson Flashboard Dam?
Olson Flashboard Dam has a dam height of 14 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 Olson Flashboard Dam last inspected?
Olson Flashboard Dam was last inspected on October 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.