Comanche
Key Takeaway
Comanche is classified as high hazard in Colorado. It was completed in 1972 and is 54 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 | 20 ft (taller than 36.1% in CO) |
| Dam Length | 4,801 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 853 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 70 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | CO00487 |
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
XCEL ENERGY
Public Utility
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Comanche?
Comanche 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 Comanche?
Comanche is owned by XCEL ENERGY (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Comanche built?
Comanche was completed in 1972, making it 54 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 Comanche?
Comanche 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 Comanche?
Comanche has a dam height of 20 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 Comanche last inspected?
Comanche was last inspected on September 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.