Welcome Lake Dam
Key Takeaway
Welcome Lake Dam is classified as high hazard in Washington. It was completed in 1959 and is 67 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 Length | 165 ft |
| Dam Type | Earth |
| Max Storage | 327 acre-ft |
| Normal Storage | 155 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,700 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | WA00194 |
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
Lake of the Woods Homeowners Association
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Welcome Lake Dam?
Welcome 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 Welcome Lake Dam?
Welcome Lake Dam is owned by Lake of the Woods Homeowners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Welcome Lake Dam built?
Welcome Lake Dam was completed in 1959, making it 67 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 Welcome Lake Dam?
Welcome 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 Welcome Lake Dam last inspected?
Welcome Lake Dam was last inspected on September 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.