Antelope Creek 20-A
Key Takeaway
Antelope Creek 20-A is classified as high hazard in Nebraska. It was completed in 1964 and is 62 years old. Its primary use is flood risk reduction. 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 | 24 ft (taller than 42.8% in NE) |
| Dam Length | 562 ft |
| Dam Type | Earth |
| Max Storage | 450 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,400 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | NE00793 |
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
City of Gordon
Local Government
Nearby Dams
Antelope Creek 40-B
Sheridan, NE
High Hazard 32 ftAntelope Creek 60-A
Sheridan, NE
Low Hazard 31 ftJohnson Dam
Sheridan, NE
Low Hazard 18 ftHolzberger Dam
Sheridan, NE
Low Hazard 20 ftAllison 2 Cat Dam
Sheridan, NE
Low Hazard 17 ftFrank Dam 796
Sheridan, NE
Low Hazard 22 ftGlen Forney Dam
Sheridan, NE
Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Antelope Creek 20-A?
Antelope Creek 20-A 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 Creek 20-A?
Antelope Creek 20-A is owned by City of Gordon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Antelope Creek 20-A built?
Antelope Creek 20-A 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 Creek 20-A?
Antelope Creek 20-A serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Antelope Creek 20-A?
Antelope Creek 20-A has a dam height of 24 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 Creek 20-A last inspected?
Antelope Creek 20-A was last inspected on June 7, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.