Sisco Heights Dam
Key Takeaway
Sisco Heights Dam is classified as high hazard in Washington. It was completed in 1984 and is 42 years old. Its primary use is recreation. 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 | 37 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 66 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | WA01329 |
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
Trophy Ponds HOA
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Sisco Heights Dam?
Sisco Heights 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 Sisco Heights Dam?
Sisco Heights Dam is owned by Trophy Ponds HOA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sisco Heights Dam built?
Sisco Heights Dam was completed in 1984, making it 42 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 Sisco Heights Dam?
Sisco Heights 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 Sisco Heights Dam last inspected?
Sisco Heights Dam was last inspected on September 24, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.