Cooper Creek (Sutherlin)
Key Takeaway
Cooper Creek (Sutherlin) is classified as high hazard in Oregon. It was completed in 1971 and is 55 years old. Its primary use is recreation. 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 | 84 ft (taller than 92.9% in OR) |
| Dam Length | 1,443 ft |
| Dam Type | Earth |
| Max Storage | 5.2K acre-ft |
| Normal Storage | 3.9K acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,100 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | OR00463 |
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
SUTHERLIN WATER CONTROL DISTRICT
Local Government
Nearby Dams
Plat I
Douglas, OR
High Hazard 28 ftDenley Brothers Dam
Douglas, OR
Low Hazard 22 ftGeorgia Pacific Log Pond
Douglas, OR
Low Hazard 11 ftSutherlin Log Pond
Douglas, OR
Significant Hazard 11 ftSutherlin Mill (Fords Pond)
Douglas, OR
Low Hazard 18 ftWhistlers Bend
Douglas, OR
Low Hazard 33 ftWinchester
Douglas, OR
High Hazard 17 ftUpdegrave
Douglas, OR
High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Cooper Creek (Sutherlin)?
Cooper Creek (Sutherlin) 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 Cooper Creek (Sutherlin)?
Cooper Creek (Sutherlin) is owned by SUTHERLIN WATER CONTROL DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cooper Creek (Sutherlin) built?
Cooper Creek (Sutherlin) was completed in 1971, making it 55 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 Cooper Creek (Sutherlin)?
Cooper Creek (Sutherlin) serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cooper Creek (Sutherlin)?
Cooper Creek (Sutherlin) has a dam height of 84 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 Cooper Creek (Sutherlin) last inspected?
Cooper Creek (Sutherlin) was last inspected on October 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.