Fanchers Dam
Key Takeaway
Fanchers Dam is classified as high hazard in Washington. It was completed in 1926 and is 100 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 | 450 ft |
| Dam Type | Concrete |
| Max Storage | 600 acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 34 sq mi |
| Max Discharge | 330 cfs |
| Year Completed | 1926 (100 years old) |
| NID ID | WA00040 |
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
Colville Tribes
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Fanchers Dam?
Fanchers 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 Fanchers Dam?
Fanchers Dam is owned by Colville Tribes (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fanchers Dam built?
Fanchers Dam was completed in 1926, making it 100 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 Fanchers Dam?
Fanchers 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 Fanchers Dam last inspected?
Fanchers Dam was last inspected on October 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.