South Side Wash Dam
Key Takeaway
South Side Wash Dam is classified as high hazard in Nevada. It was completed in 1970 and is 56 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 | 20 ft (taller than 40.8% in NV) |
| Dam Length | 495 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,120 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | NV00148 |
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 ELKO
Local Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of South Side Wash Dam?
South Side Wash Dam 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 South Side Wash Dam?
South Side Wash Dam is owned by CITY OF ELKO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Side Wash Dam built?
South Side Wash Dam was completed in 1970, making it 56 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 South Side Wash Dam?
South Side Wash Dam 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 South Side Wash Dam?
South Side Wash Dam has a dam height of 20 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 South Side Wash Dam last inspected?
South Side Wash Dam was last inspected on July 26, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.