Weyerhaeuser Dam
Key Takeaway
Weyerhaeuser Dam is classified as low hazard in Washington. It was completed in 1970 and is 56 years old. Its primary use is recreation.
Physical Details
| Dam Length | 310 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 105 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | WA00191 |
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
Weyerhaeuser
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Weyerhaeuser Dam?
Weyerhaeuser 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 Weyerhaeuser Dam?
Weyerhaeuser Dam is owned by Weyerhaeuser (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Weyerhaeuser Dam built?
Weyerhaeuser Dam was completed in 1970, making it 56 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 Weyerhaeuser Dam?
Weyerhaeuser 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 Weyerhaeuser Dam last inspected?
Weyerhaeuser Dam was last inspected on December 19, 1999. Inspection dates indicate when a formal review occurred, not the results of that inspection.