Antelope Dam
Key Takeaway
Antelope Dam is classified as low hazard in Oregon. It was completed in 1959 and is 67 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 16 ft (taller than 20.1% in OR) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 973 acre-ft |
| Surface Area | 205 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | OR00292 |
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
WILLOW VALLEY RANCH, C/O DARREL BAGLEY
Private
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High Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Antelope Dam?
Antelope Dam 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 Antelope Dam?
Antelope Dam is owned by WILLOW VALLEY RANCH, C/O DARREL BAGLEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Antelope Dam built?
Antelope Dam was completed in 1959, making it 67 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 Dam?
Antelope Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Antelope Dam?
Antelope Dam has a dam height of 16 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 Dam last inspected?
Antelope Dam was last inspected on August 12, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.