Hog Lake Dam
Key Takeaway
Hog Lake Dam is classified as high hazard in Washington. It was completed in 1957 and is 69 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 Type | Earth |
| Max Storage | 540 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 48 sq mi |
| Max Discharge | 4,050 cfs |
| Year Completed | 1957 (69 years old) |
| Year Modified | 2000 |
| NID ID | WA00056 |
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
WA DFW
State Government
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What is the hazard classification of Hog Lake Dam?
Hog Lake 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 Hog Lake Dam?
Hog Lake Dam is owned by WA DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hog Lake Dam built?
Hog Lake Dam was completed in 1957, making it 69 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 Hog Lake Dam?
Hog Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Hog Lake Dam last inspected?
Hog Lake Dam was last inspected on August 16, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.