Heitz
Key Takeaway
Heitz is classified as high hazard in California. It was completed in 1991 and is 35 years old. Its primary use is other. 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 | 87 ft (taller than 78.3% in CA) |
| Dam Length | 540 ft |
| Dam Type | Earth |
| Max Storage | 272 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1991 (35 years old) |
| NID ID | CA01345 |
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
Heitz Wine Cellars
Private
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High Hazard 72 ftFrequently Asked Questions
What is the hazard classification of Heitz?
Heitz 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 Heitz?
Heitz is owned by Heitz Wine Cellars (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heitz built?
Heitz was completed in 1991, making it 35 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 Heitz?
Heitz serves the following purposes: Other, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heitz?
Heitz has a dam height of 87 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 Heitz last inspected?
Heitz was last inspected on December 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.