John Carl Warnecke
Key Takeaway
John Carl Warnecke is classified as low hazard in California. It was completed in 1974 and is 52 years old. Its primary use is water supply.
Physical Details
| Dam Height | 32 ft (taller than 34.2% in CA) |
| Dam Length | 238 ft |
| Dam Type | Earth |
| Max Storage | 30 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1974 (52 years old) |
| NID ID | CA01319 |
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
Warnecke Ranch and Vineyards
Private
Nearby Dams
Axell
Sonoma, CA
High Hazard 43 ftLowe
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High Hazard 30 ftMurray
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High Hazard 55 ftDonovan
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High Hazard 40 ftLagunita
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High Hazard 49 ftGreeott
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Significant Hazard 40 ftFoothill Regulating Park
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High Hazard 51 ftBosch No. 2
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Significant Hazard 55 ftFrequently Asked Questions
What is the hazard classification of John Carl Warnecke?
John Carl Warnecke 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 John Carl Warnecke?
John Carl Warnecke is owned by Warnecke Ranch and Vineyards (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was John Carl Warnecke built?
John Carl Warnecke was completed in 1974, making it 52 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 John Carl Warnecke?
John Carl Warnecke serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is John Carl Warnecke?
John Carl Warnecke has a dam height of 32 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 John Carl Warnecke last inspected?
John Carl Warnecke was last inspected on April 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.