Franciscan Prairie Pointe Dam
Key Takeaway
Franciscan Prairie Pointe Dam is classified as high hazard in Illinois. Its primary use is flood risk reduction. 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 | 11 ft (taller than 8.1% in IL) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 6,853 cfs |
| NID ID | IL50532 |
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
OSF - HEALTH CARE SYSTEM
Private
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What is the hazard classification of Franciscan Prairie Pointe Dam?
Franciscan Prairie Pointe 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 Franciscan Prairie Pointe Dam?
Franciscan Prairie Pointe Dam is owned by OSF - HEALTH CARE SYSTEM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Franciscan Prairie Pointe Dam?
Franciscan Prairie Pointe Dam serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Franciscan Prairie Pointe Dam?
Franciscan Prairie Pointe 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 Franciscan Prairie Pointe Dam last inspected?
Franciscan Prairie Pointe Dam was last inspected on September 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.