Salmon Lake
Key Takeaway
Salmon Lake is classified as high hazard in Washington. It was completed in 1920 and is 106 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 | 54 ft (taller than 47.8% in WA) |
| Dam Length | 1,250 ft |
| Dam Type | Earth |
| Max Storage | 17.3K acre-ft |
| Normal Storage | 15.7K acre-ft |
| Surface Area | 313 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | WA00291 |
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
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High HazardFrequently Asked Questions
What is the hazard classification of Salmon Lake?
Salmon Lake 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 Salmon Lake?
Salmon Lake is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Salmon Lake built?
Salmon Lake was completed in 1920, making it 106 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 Salmon Lake?
Salmon Lake 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 Salmon Lake?
Salmon Lake has a dam height of 54 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 Salmon Lake last inspected?
Salmon Lake was last inspected on April 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.