Upper Loop Reservoir
Key Takeaway
Upper Loop Reservoir is classified as high hazard in Washington. It was completed in 2015 and is 11 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 | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 118 acre-ft |
| Normal Storage | 100 acre-ft |
| Max Discharge | 17 cfs |
| Year Completed | 2015 (11 years old) |
| NID ID | WA00743 |
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
Kyle Mathison Orchards INC.
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Upper Loop Reservoir?
Upper Loop Reservoir 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 Loop Reservoir?
Upper Loop Reservoir is owned by Kyle Mathison Orchards INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Loop Reservoir built?
Upper Loop Reservoir was completed in 2015, making it 11 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 Loop Reservoir?
Upper Loop Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Loop Reservoir last inspected?
Upper Loop Reservoir was last inspected on October 30, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.