3 Amigos Reservoir
Key Takeaway
3 Amigos Reservoir is classified as high hazard in Washington. It was completed in 2003 and is 23 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 | 2,400 ft |
| Dam Type | Earth |
| Max Storage | 128 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2003 (23 years old) |
| Year Modified | 2003 |
| NID ID | WA00685 |
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
Nearby Dams
Great Depression Dam
Chelan, WA
High HazardStemilt Main Dam
Chelan, WA
High HazardStemilt Saddle Dam
Chelan, WA
High HazardShiflett Reservoir No. 2
Chelan, WA
High HazardShiflett Reservoir No. 1
Chelan, WA
High HazardSpring Hill Saddle Dam
Chelan, WA
High HazardClear Lake Dam
Chelan, WA
High HazardClear Lake Saddle Dam
Chelan, WA
High HazardFrequently Asked Questions
What is the hazard classification of 3 Amigos Reservoir?
3 Amigos 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 3 Amigos Reservoir?
3 Amigos Reservoir is owned by Kyle Mathison Orchards INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was 3 Amigos Reservoir built?
3 Amigos Reservoir was completed in 2003, making it 23 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 3 Amigos Reservoir?
3 Amigos 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 3 Amigos Reservoir last inspected?
3 Amigos Reservoir was last inspected on October 30, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.