Quincy
Key Takeaway
Quincy is classified as high hazard in Colorado. It was completed in 1974 and is 52 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 | 70 ft (taller than 92.6% in CO) |
| Dam Length | 2,432 ft |
| Dam Type | Earth |
| Max Storage | 4.6K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 155 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 27,000 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | CO00104 |
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 AURORA
Local Government
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High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Quincy?
Quincy 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 Quincy?
Quincy is owned by CITY OF AURORA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Quincy built?
Quincy was completed in 1974, making it 52 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 Quincy?
Quincy serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Quincy?
Quincy has a dam height of 70 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 Quincy last inspected?
Quincy was last inspected on July 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.