Valmont 'A'
Key Takeaway
Valmont 'A' is classified as high hazard in Colorado. It was completed in 1962 and is 64 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 | 67 ft (taller than 92.3% in CO) |
| Dam Length | 3,614 ft |
| Dam Type | Earth |
| Max Storage | 16.0K acre-ft |
| Normal Storage | 11.2K acre-ft |
| Surface Area | 537 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,752 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | CO00256 |
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
XCEL ENERGY
Private
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What is the hazard classification of Valmont 'A'?
Valmont '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 Valmont 'A'?
Valmont 'A' is owned by XCEL ENERGY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Valmont 'A' built?
Valmont 'A' was completed in 1962, making it 64 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 Valmont 'A'?
Valmont 'A' serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Valmont 'A'?
Valmont 'A' has a dam height of 67 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 Valmont 'A' last inspected?
Valmont 'A' was last inspected on November 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.