Little Twin Lakes Dam
Key Takeaway
Little Twin Lakes Dam is classified as low hazard in Washington. It was completed in 1966 and is 60 years old. Its primary use is recreation.
Physical Details
| Dam Type | Earth |
| Max Storage | 104 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 21 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | WA00090 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Timberlake Community Club
Private
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Significant HazardFrequently Asked Questions
What is the hazard classification of Little Twin Lakes Dam?
Little Twin Lakes Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Little Twin Lakes Dam?
Little Twin Lakes Dam is owned by Timberlake Community Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Twin Lakes Dam built?
Little Twin Lakes Dam was completed in 1966, making it 60 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 Little Twin Lakes Dam?
Little Twin Lakes 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 Little Twin Lakes Dam last inspected?
Little Twin Lakes Dam was last inspected on January 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.