Harriman
Key Takeaway
Harriman is classified as high hazard in Colorado. It was completed in 2013 and is 13 years old. Its primary use is irrigation. 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 | 15 ft (taller than 20.1% in CO) |
| Dam Length | 2,697 ft |
| Dam Type | Earth |
| Max Storage | 963 acre-ft |
| Normal Storage | 762 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 736 cfs |
| Year Completed | 2013 (13 years old) |
| NID ID | CO01823 |
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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High Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Harriman?
Harriman 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 Harriman?
Harriman 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 Harriman built?
Harriman was completed in 2013, making it 13 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 Harriman?
Harriman serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harriman?
Harriman has a dam height of 15 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 Harriman last inspected?
Harriman was last inspected on March 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.