Great Depression Dam
Key Takeaway
Great Depression Dam is classified as high hazard in Washington. It was completed in 1998 and is 28 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 Type | Earth |
| Max Storage | 32 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 202 cfs |
| Year Completed | 1998 (28 years old) |
| Year Modified | 1997 |
| NID ID | WA01781 |
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
Stemilt Ag Services
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Great Depression Dam?
Great Depression Dam 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 Great Depression Dam?
Great Depression Dam is owned by Stemilt Ag Services (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Great Depression Dam built?
Great Depression Dam was completed in 1998, making it 28 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 Great Depression Dam?
Great Depression Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Great Depression Dam last inspected?
Great Depression Dam was last inspected on November 16, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.