Trout Lake
Key Takeaway
Trout Lake is classified as high hazard in Colorado. It was completed in 1910 and is 116 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 | 43 ft (taller than 84.2% in CO) |
| Dam Length | 570 ft |
| Dam Type | Earth |
| Max Storage | 3.2K acre-ft |
| Normal Storage | 2.5K acre-ft |
| Surface Area | 138 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 8,060 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | CO00184 |
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
Public Service Company of Colorado
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Trout Lake?
Trout Lake 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 Trout Lake?
Trout Lake is owned by Public Service Company of Colorado (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trout Lake built?
Trout Lake was completed in 1910, making it 116 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 Trout Lake?
Trout Lake serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Trout Lake?
Trout Lake has a dam height of 43 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 Trout Lake last inspected?
Trout Lake was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.