Fox Ridge Lake Dam
Key Takeaway
Fox Ridge Lake Dam is classified as low hazard in Illinois. It was completed in 1941 and is 85 years old. Its primary use is recreation.
Physical Details
| Dam Height | 36 ft (taller than 78.2% in IL) |
| Dam Length | 365 ft |
| Dam Type | Earth |
| Max Storage | 240 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,429 cfs |
| Year Completed | 1941 (85 years old) |
| Year Modified | 2007 |
| NID ID | IL00715 |
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 NATURAL HISTORY SURVEY
State Government
Nearby Dams
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Significant Hazard 19 ftLake Louise Dam
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Fox Ridge Lake Dam?
Fox Ridge 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 Fox Ridge Lake Dam?
Fox Ridge Lake Dam is owned by ILLINOIS NATURAL HISTORY SURVEY (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fox Ridge Lake Dam built?
Fox Ridge Lake Dam was completed in 1941, making it 85 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 Fox Ridge Lake Dam?
Fox Ridge 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 Fox Ridge Lake Dam?
Fox Ridge Lake Dam has a dam height of 36 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 Fox Ridge Lake Dam last inspected?
Fox Ridge Lake Dam was last inspected on August 19, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.