South 336th Street Stormwater Dam No 2
Key Takeaway
South 336th Street Stormwater Dam No 2 is classified as high hazard in Washington. It was completed in 1996 and is 30 years old. Its primary use is flood risk reduction. 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 Type | Earth |
| Max Storage | 49 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 430 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | WA01767 |
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
Kitts Corner LLC - Managed by Federal Way
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of South 336th Street Stormwater Dam No 2?
South 336th Street Stormwater Dam No 2 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 South 336th Street Stormwater Dam No 2?
South 336th Street Stormwater Dam No 2 is owned by Kitts Corner LLC - Managed by Federal Way (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South 336th Street Stormwater Dam No 2 built?
South 336th Street Stormwater Dam No 2 was completed in 1996, making it 30 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 South 336th Street Stormwater Dam No 2?
South 336th Street Stormwater Dam No 2 serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was South 336th Street Stormwater Dam No 2 last inspected?
South 336th Street Stormwater Dam No 2 was last inspected on October 31, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.