Jameson Vineyards
Key Takeaway
Jameson Vineyards is classified as significant hazard in California. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 41 ft (taller than 49.2% in CA) |
| Dam Length | 375 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| NID ID | CA01417 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
John Anthony Family of Wines Napa Valley LLC
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Jameson Vineyards?
Jameson Vineyards is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Jameson Vineyards?
Jameson Vineyards is owned by John Anthony Family of Wines Napa Valley LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Jameson Vineyards?
Jameson Vineyards serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jameson Vineyards?
Jameson Vineyards has a dam height of 41 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 Jameson Vineyards last inspected?
Jameson Vineyards was last inspected on March 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.