River Mountains Impoundment Dam
Key Takeaway
River Mountains Impoundment Dam is classified as high hazard in Nevada. 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 | 19 ft (taller than 38.8% in NV) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,656 cfs |
| Year Completed | 2003 (23 years old) |
| NID ID | NV10516 |
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
SOUTHERN NEVADA WATER AUTHORITY
Local Government
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High Hazard 23 ftFrequently Asked Questions
What is the hazard classification of River Mountains Impoundment Dam?
River Mountains Impoundment 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 River Mountains Impoundment Dam?
River Mountains Impoundment Dam is owned by SOUTHERN NEVADA WATER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was River Mountains Impoundment Dam built?
River Mountains Impoundment Dam 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 River Mountains Impoundment Dam?
River Mountains Impoundment Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is River Mountains Impoundment Dam?
River Mountains Impoundment Dam has a dam height of 19 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 River Mountains Impoundment Dam last inspected?
River Mountains Impoundment Dam was last inspected on February 26, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.