Ferne Clyffe Lake Dam
Key Takeaway
Ferne Clyffe Lake Dam is classified as low hazard in Illinois. It was completed in 1960 and is 66 years old. Its primary use is recreation.
Physical Details
| Dam Height | 33 ft (taller than 71.6% in IL) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 256 acre-ft |
| Normal Storage | 174 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | IL00027 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ILLINOIS DEPARTMENT OF NATURAL RESOURCES
State Government
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Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Ferne Clyffe Lake Dam?
Ferne Clyffe Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Ferne Clyffe Lake Dam?
Ferne Clyffe Lake Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ferne Clyffe Lake Dam built?
Ferne Clyffe Lake Dam was completed in 1960, making it 66 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 Ferne Clyffe Lake Dam?
Ferne Clyffe Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ferne Clyffe Lake Dam?
Ferne Clyffe Lake Dam has a dam height of 33 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 Ferne Clyffe Lake Dam last inspected?
Ferne Clyffe Lake Dam was last inspected on April 26, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.