Spencer Lake
Key Takeaway
Spencer Lake is classified as low hazard in Washington. It was completed in 1983 and is 43 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 42 ft (taller than 44.6% in WA) |
| Dam Length | 120 ft |
| Dam Type | Rockfill |
| Max Storage | 3.1K acre-ft |
| Normal Storage | 3.0K acre-ft |
| Surface Area | 74 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 200 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | WA00494 |
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
Seattle Pacific University
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Spencer Lake?
Spencer Lake 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 Spencer Lake?
Spencer Lake is owned by Seattle Pacific University (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spencer Lake built?
Spencer Lake was completed in 1983, making it 43 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 Spencer Lake?
Spencer Lake serves the following purposes: Hydroelectric, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spencer Lake?
Spencer Lake has a dam height of 42 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Spencer Lake last inspected?
Spencer Lake was last inspected on July 19, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.