Crystal
Key Takeaway
Crystal is classified as high hazard in Colorado. It was completed in 1977 and is 49 years old. Its primary use is hydroelectric. 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 | 227 ft (taller than 99% in CO) |
| Dam Length | 635 ft |
| Dam Type | Concrete |
| Max Storage | 30.7K acre-ft |
| Normal Storage | 25.2K acre-ft |
| Surface Area | 301 acres |
| Drainage Area | 323 sq mi |
| Max Discharge | 41,500 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | CO00387 |
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
RECLAMATION
Federal Government
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Low Hazard 49 ftFrequently Asked Questions
What is the hazard classification of Crystal?
Crystal 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 Crystal?
Crystal is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crystal built?
Crystal was completed in 1977, making it 49 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 Crystal?
Crystal serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Crystal?
Crystal has a dam height of 227 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 Crystal last inspected?
Crystal was last inspected on October 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.