Arthur R. Bowman
Key Takeaway
Arthur R. Bowman is classified as high hazard in Oregon. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 245 ft (taller than 98.7% in OR) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 255.7K acre-ft |
| Normal Storage | 150.2K acre-ft |
| Surface Area | 3,028 acres |
| Drainage Area | 2,635 sq mi |
| Max Discharge | 8,120 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OR00579 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
RECLAMATION
Federal Government
Frequently Asked Questions
What is the hazard classification of Arthur R. Bowman?
Arthur R. Bowman is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Arthur R. Bowman?
Arthur R. Bowman is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arthur R. Bowman built?
Arthur R. Bowman was completed in 1960, making it 66 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 Arthur R. Bowman?
Arthur R. Bowman serves the following purposes: Flood Risk Reduction, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arthur R. Bowman?
Arthur R. Bowman has a dam height of 245 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 Arthur R. Bowman last inspected?
Arthur R. Bowman was last inspected on May 27, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.