Dunes
Key Takeaway
Dunes is classified as high hazard in Colorado. It was completed in 2012 and is 14 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 | 62 ft (taller than 91.8% in CO) |
| Dam Length | 9,100 ft |
| Dam Type | Earth |
| Max Storage | 5.6K acre-ft |
| Normal Storage | 5.2K acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 241 cfs |
| Year Completed | 2012 (14 years old) |
| NID ID | CO02865 |
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
DENVER BOARD OF WATER COMMISSIONERS
Public Utility
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Dunes?
Dunes 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 Dunes?
Dunes is owned by DENVER BOARD OF WATER COMMISSIONERS (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dunes built?
Dunes was completed in 2012, making it 14 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 Dunes?
Dunes 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 Dunes?
Dunes has a dam height of 62 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 Dunes last inspected?
Dunes was last inspected on March 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.