Stump Lake Dam
Key Takeaway
Stump Lake Dam is classified as low hazard in Oregon. It was completed in 1953 and is 73 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 17 ft (taller than 23% in OR) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 152 acre-ft |
| Normal Storage | 152 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 42 sq mi |
| Max Discharge | 9,500 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | OR00565 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PACIFICORP
Public Utility
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Stump Lake Dam?
Stump Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Stump Lake Dam?
Stump Lake Dam is owned by PACIFICORP (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Stump Lake Dam built?
Stump Lake Dam was completed in 1953, making it 73 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 Stump Lake Dam?
Stump Lake Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Stump Lake Dam?
Stump Lake Dam has a dam height of 17 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.