Olivenhain
Key Takeaway
Olivenhain is classified as high hazard in California. It was completed in 2003 and is 23 years old. Its primary use is water supply. 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 | 309 ft (taller than 98.4% in CA) |
| Dam Length | 2,500 ft |
| Dam Type | Roller-Compacted Concrete |
| Max Storage | 24.9K acre-ft |
| Surface Area | 203 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2003 (23 years old) |
| NID ID | CA01454 |
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
San Diego County Water Authority
Local Government
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Olivenhain?
Olivenhain 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 Olivenhain?
Olivenhain is owned by San Diego County Water Authority (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Olivenhain built?
Olivenhain was completed in 2003, making it 23 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 Olivenhain?
Olivenhain 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 Olivenhain?
Olivenhain has a dam height of 309 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 Olivenhain last inspected?
Olivenhain was last inspected on June 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.