Green Lake
Key Takeaway
Green Lake is classified as significant hazard in Colorado. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 8 ft (taller than 1.3% in CO) |
| Dam Length | 52 ft |
| Dam Type | Rockfill |
| Max Storage | 121 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 7 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | CO01249 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
JAMES FORD
Local Government
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Green Lake?
Green Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Green Lake?
Green Lake is owned by JAMES FORD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Green Lake built?
Green Lake was completed in 1914, making it 112 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 Green Lake?
Green Lake serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Green Lake?
Green Lake has a dam height of 8 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 Green Lake last inspected?
Green Lake was last inspected on September 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.