Standley Lake
Key Takeaway
Standley Lake is classified as high hazard in Colorado. It was completed in 1913 and is 113 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 | 113 ft (taller than 96.9% in CO) |
| Dam Length | 5,900 ft |
| Dam Type | Earth |
| Max Storage | 54.7K acre-ft |
| Normal Storage | 43.3K acre-ft |
| Surface Area | 1,222 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 54,600 cfs |
| Year Completed | 1913 (113 years old) |
| Year Modified | 2004 |
| NID ID | CO00101 |
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
FARMERS RESERVOIR AND IRRIGATION COMPANY (EDGAR, S
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Standley Lake?
Standley 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 Standley Lake?
Standley Lake is owned by FARMERS RESERVOIR AND IRRIGATION COMPANY (EDGAR, S (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Standley Lake built?
Standley Lake was completed in 1913, making it 113 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 Standley Lake?
Standley Lake 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 Standley Lake?
Standley Lake has a dam height of 113 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 Standley Lake last inspected?
Standley Lake was last inspected on June 3, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.