Antelope
Key Takeaway
Antelope is classified as high hazard in California. It was completed in 1964 and is 62 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 | 113 ft (taller than 84.5% in CA) |
| Dam Length | 1,320 ft |
| Dam Type | Earth |
| Max Storage | 22.6K acre-ft |
| Surface Area | 931 acres |
| Drainage Area | 71 sq mi |
| Year Completed | 1964 (62 years old) |
| NID ID | CA00037 |
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
California Department of Water Resources
State Government
Frequently Asked Questions
What is the hazard classification of Antelope?
Antelope 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 Antelope?
Antelope is owned by California Department of Water Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Antelope built?
Antelope was completed in 1964, making it 62 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 Antelope?
Antelope serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Antelope?
Antelope has a dam height of 113 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 Antelope last inspected?
Antelope was last inspected on November 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.