Devils Hole Dam
Key Takeaway
Devils Hole Dam is classified as low hazard in Washington. It was completed in 1959 and is 67 years old. Its primary use is recreation.
Physical Details
| Dam Height | 22 ft (taller than 30.4% in WA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 441 cfs |
| Year Completed | 1959 (67 years old) |
| Year Modified | 1980 |
| NID ID | WA00155 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DOD USN
Federal Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Devils Hole Dam?
Devils Hole Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Devils Hole Dam?
Devils Hole Dam is owned by DOD USN (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Devils Hole Dam built?
Devils Hole Dam was completed in 1959, making it 67 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 Devils Hole Dam?
Devils Hole Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Devils Hole Dam?
Devils Hole Dam has a dam height of 22 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Devils Hole Dam last inspected?
Devils Hole Dam was last inspected on April 11, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.