Crowley
Key Takeaway
Crowley is classified as high hazard in Oregon. It was completed in 1938 and is 88 years old. Its primary use is irrigation. 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 | 90 ft (taller than 93.4% in OR) |
| Dam Length | 220 ft |
| Dam Type | Arch |
| Max Storage | 3.7K acre-ft |
| Normal Storage | 3.7K acre-ft |
| Surface Area | 66 acres |
| Drainage Area | 48 sq mi |
| Max Discharge | 420 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | OR00132 |
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
KATARINA SUTPHIN
Private
Nearby Dams
Dowell Reservoir
Malheur, OR
Low Hazard 17 ftStar Creek
Malheur, OR
Low Hazard 25 ftHope Reservoir
Malheur, OR
Low Hazard 19 ftTurnbull Peak Reservoir
Malheur, OR
Low Hazard 13 ftCorliss
Malheur, OR
Low Hazard 10 ftCopeland Reservoir
Malheur, OR
Low Hazard 12 ftButte
Malheur, OR
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Crowley?
Crowley 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 Crowley?
Crowley is owned by KATARINA SUTPHIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crowley built?
Crowley was completed in 1938, making it 88 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 Crowley?
Crowley 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 Crowley?
Crowley has a dam height of 90 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 Crowley last inspected?
Crowley was last inspected on August 25, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.