Beacon Hill Reservoir
Key Takeaway
Beacon Hill Reservoir is classified as high hazard in Washington. It was completed in 1935 and is 91 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 | 420 ft |
| Dam Type | Rockfill |
| Max Storage | 14 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | WA01790 |
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
Hoquiam City
Local Government
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High HazardFrequently Asked Questions
What is the hazard classification of Beacon Hill Reservoir?
Beacon Hill 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 Beacon Hill Reservoir?
Beacon Hill Reservoir is owned by Hoquiam City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Beacon Hill Reservoir built?
Beacon Hill Reservoir was completed in 1935, making it 91 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 Beacon Hill Reservoir?
Beacon Hill Reservoir 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 Beacon Hill Reservoir last inspected?
Beacon Hill Reservoir was last inspected on September 14, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.