Trask Lake Dam
Key Takeaway
Trask Lake Dam is classified as significant hazard in Washington. It was completed in 1969 and is 57 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Type | Earth |
| Max Storage | 10 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 95 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | WA00521 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Lake Trask Timber Trails Assn
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Trask Lake Dam?
Trask Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Trask Lake Dam?
Trask Lake Dam is owned by Lake Trask Timber Trails Assn (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trask Lake Dam built?
Trask Lake Dam was completed in 1969, making it 57 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 Trask Lake Dam?
Trask 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 Trask Lake Dam last inspected?
Trask Lake Dam was last inspected on June 6, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.