Faraday Forebay
Key Takeaway
Faraday Forebay is classified as high hazard in Oregon. It was completed in 1907 and is 119 years old. Its primary use is hydroelectric. 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 | 33 ft (taller than 66.3% in OR) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Normal Storage | 550 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 665 sq mi |
| Max Discharge | 5,600 cfs |
| Year Completed | 1907 (119 years old) |
| NID ID | OR00245 |
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
Portland General Electric Company
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Faraday Forebay?
Faraday Forebay 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 Faraday Forebay?
Faraday Forebay is owned by Portland General Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Faraday Forebay built?
Faraday Forebay was completed in 1907, making it 119 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 Faraday Forebay?
Faraday Forebay serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Faraday Forebay?
Faraday Forebay has a dam height of 33 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 Faraday Forebay last inspected?
Faraday Forebay was last inspected on September 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.