Reflection Lake South Dam
Key Takeaway
Reflection Lake South Dam is classified as high hazard in Washington. It was completed in 1955 and is 71 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 | 760 ft |
| Dam Type | Earth |
| Max Storage | 570 acre-ft |
| Normal Storage | 490 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 11 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | WA00050 |
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
Reflection Lake Community Association
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Reflection Lake South Dam?
Reflection Lake South 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 Reflection Lake South Dam?
Reflection Lake South Dam is owned by Reflection Lake Community Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Reflection Lake South Dam built?
Reflection Lake South Dam was completed in 1955, making it 71 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 Reflection Lake South Dam?
Reflection Lake South 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 Reflection Lake South Dam last inspected?
Reflection Lake South Dam was last inspected on September 26, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.