Upper Wheeler Dam
Key Takeaway
Upper Wheeler Dam is classified as high hazard in Washington. It was completed in 1922 and is 104 years old. Its primary use is irrigation. 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 | 750 ft |
| Dam Type | Earth |
| Max Storage | 833 acre-ft |
| Normal Storage | 633 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,500 cfs |
| Year Completed | 1922 (104 years old) |
| NID ID | WA00079 |
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
Wenatchee Heights Reclamation District
Public Utility
Nearby Dams
Upper Wheeler Saddle Dam
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High HazardBeehive Dam
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High HazardFrequently Asked Questions
What is the hazard classification of Upper Wheeler Dam?
Upper Wheeler 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 Upper Wheeler Dam?
Upper Wheeler Dam is owned by Wenatchee Heights Reclamation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Wheeler Dam built?
Upper Wheeler Dam was completed in 1922, making it 104 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 Upper Wheeler Dam?
Upper Wheeler Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Wheeler Dam last inspected?
Upper Wheeler Dam was last inspected on December 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.