Steilacoom Lake Dam
Key Takeaway
Steilacoom Lake Dam is classified as high hazard in Washington. It was completed in 1989 and is 37 years old. Its primary use is fish and wildlife pond. 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 | 120 ft |
| Dam Type | Gravity |
| Max Storage | 7.0K acre-ft |
| Normal Storage | 2.6K acre-ft |
| Surface Area | 317 acres |
| Drainage Area | 62 sq mi |
| Max Discharge | 1,980 cfs |
| Year Completed | 1989 (37 years old) |
| NID ID | WA00139 |
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
Lakewood City
Local Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Steilacoom Lake Dam?
Steilacoom Lake 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 Steilacoom Lake Dam?
Steilacoom Lake Dam is owned by Lakewood City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Steilacoom Lake Dam built?
Steilacoom Lake Dam was completed in 1989, making it 37 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 Steilacoom Lake Dam?
Steilacoom Lake Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Steilacoom Lake Dam last inspected?
Steilacoom Lake Dam was last inspected on November 15, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.