Joliet Junior College Lake Dam
Key Takeaway
Joliet Junior College Lake Dam is classified as significant hazard in Illinois. It was completed in 1980 and is 46 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 8.1% in IL) |
| Dam Length | 345 ft |
| Dam Type | Earth |
| Max Storage | 59 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 952 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | IL01000 |
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
JOLIET JUNIOR COLLEGE
Local Government
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What is the hazard classification of Joliet Junior College Lake Dam?
Joliet Junior College Lake Dam 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 Joliet Junior College Lake Dam?
Joliet Junior College Lake Dam is owned by JOLIET JUNIOR COLLEGE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Joliet Junior College Lake Dam built?
Joliet Junior College Lake Dam was completed in 1980, making it 46 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 Joliet Junior College Lake Dam?
Joliet Junior College 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 Joliet Junior College Lake Dam?
Joliet Junior College Lake Dam has a dam height of 11 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 Joliet Junior College Lake Dam last inspected?
Joliet Junior College Lake Dam was last inspected on January 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.