Reservoir 2
Key Takeaway
Reservoir 2 is classified as high hazard in California. Its primary use is debris control. 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 Height | 14 ft (taller than 6.7% in CA) |
| Dam Type | Earth |
| Max Storage | 96 acre-ft |
| Normal Storage | 96 acre-ft |
| NID ID | CA10423 |
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
Persephone Ranch Ltd. And Peju Province Winery
Private
Nearby Dams
Turkey Ranch
Napa, CA
High Hazard 35 ftHardester North
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Significant Hazard 36 ftLong Valley West No. 2
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Low Hazard 35 ftUpper Twin Lake
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Low Hazard 19 ftLower Twin Lake
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Low Hazard 18 ftDavis
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Significant Hazard 42 ftDeer Creek
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Low Hazard 40 ftDick Week
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Significant Hazard 70 ftFrequently Asked Questions
What is the hazard classification of Reservoir 2?
Reservoir 2 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 Reservoir 2?
Reservoir 2 is owned by Persephone Ranch Ltd. And Peju Province Winery (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Reservoir 2?
Reservoir 2 serves the following purposes: Debris Control, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Reservoir 2?
Reservoir 2 has a dam height of 14 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 Reservoir 2 last inspected?
Reservoir 2 was last inspected on January 27, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.