Evergreen Lake Dam
Key Takeaway
Evergreen Lake Dam is classified as high hazard in Illinois. It was completed in 1971 and is 55 years old. Its primary use is recreation. 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 | 69 ft (taller than 97.2% in IL) |
| Dam Length | 1,780 ft |
| Dam Type | Earth |
| Max Storage | 22.9K acre-ft |
| Normal Storage | 15.5K acre-ft |
| Max Discharge | 22,870 cfs |
| Year Completed | 1971 (55 years old) |
| Year Modified | 1996 |
| NID ID | IL00359 |
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
CITY OF BLOOMINGTON
Local Government
Nearby Dams
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High HazardFrequently Asked Questions
What is the hazard classification of Evergreen Lake Dam?
Evergreen Lake Dam 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 Evergreen Lake Dam?
Evergreen Lake Dam is owned by CITY OF BLOOMINGTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Evergreen Lake Dam built?
Evergreen Lake Dam was completed in 1971, making it 55 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 Evergreen Lake Dam?
Evergreen Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Evergreen Lake Dam?
Evergreen Lake Dam has a dam height of 69 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 Evergreen Lake Dam last inspected?
Evergreen Lake Dam was last inspected on December 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.