Million Reservoir
Key Takeaway
Million Reservoir is classified as high hazard in Colorado. It was completed in 1953 and is 73 years old. Its primary use is recreation. 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 | 25 ft (taller than 53.1% in CO) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 240 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 480 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | CO00776 |
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
USDA FS
Federal Government
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High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Million Reservoir?
Million Reservoir 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 Million Reservoir?
Million Reservoir is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Million Reservoir built?
Million Reservoir was completed in 1953, making it 73 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 Million Reservoir?
Million Reservoir serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Million Reservoir?
Million Reservoir has a dam height of 25 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 Million Reservoir last inspected?
Million Reservoir was last inspected on June 8, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.