Talus P5 Stormwater Detention Dam
Key Takeaway
Talus P5 Stormwater Detention Dam is classified as high hazard in Washington. It was completed in 2002 and is 24 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 Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 12 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2002 (24 years old) |
| Year Modified | 2002 |
| NID ID | WA01844 |
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
Issaquah City
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Talus P5 Stormwater Detention Dam?
Talus P5 Stormwater Detention 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 Talus P5 Stormwater Detention Dam?
Talus P5 Stormwater Detention Dam is owned by Issaquah City (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Talus P5 Stormwater Detention Dam built?
Talus P5 Stormwater Detention Dam was completed in 2002, making it 24 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 Talus P5 Stormwater Detention Dam?
Talus P5 Stormwater Detention Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Talus P5 Stormwater Detention Dam last inspected?
Talus P5 Stormwater Detention Dam was last inspected on September 27, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.