Buck Mountain Reservoir Dam No 1
Key Takeaway
Buck Mountain Reservoir Dam No 1 is classified as high hazard in Washington. It was completed in 1985 and is 41 years old. Its primary use is water supply. 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 | 77 ft |
| Dam Type | Earth |
| Max Storage | 156 acre-ft |
| Normal Storage | 121 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 365 cfs |
| Year Completed | 1985 (41 years old) |
| NID ID | WA00485 |
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
Eastsound Water Users Association
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Buck Mountain Reservoir Dam No 1?
Buck Mountain Reservoir Dam No 1 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 Buck Mountain Reservoir Dam No 1?
Buck Mountain Reservoir Dam No 1 is owned by Eastsound Water Users Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Buck Mountain Reservoir Dam No 1 built?
Buck Mountain Reservoir Dam No 1 was completed in 1985, making it 41 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 Buck Mountain Reservoir Dam No 1?
Buck Mountain Reservoir Dam No 1 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Buck Mountain Reservoir Dam No 1 last inspected?
Buck Mountain Reservoir Dam No 1 was last inspected on August 9, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.