Si Energy/Mine 25/Slurry Cell 2 Dam
Key Takeaway
Si Energy/Mine 25/Slurry Cell 2 Dam is classified as high hazard in Illinois. It was completed in 1987 and is 39 years old. Its primary use is other. 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 | 55 ft (taller than 93.6% in IL) |
| Dam Length | 7,500 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Max Discharge | 38 cfs |
| Year Completed | 1987 (39 years old) |
| NID ID | IL50244 |
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
S.I. ENERGY
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Si Energy/Mine 25/Slurry Cell 2 Dam?
Si Energy/Mine 25/Slurry Cell 2 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 Si Energy/Mine 25/Slurry Cell 2 Dam?
Si Energy/Mine 25/Slurry Cell 2 Dam is owned by S.I. ENERGY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Si Energy/Mine 25/Slurry Cell 2 Dam built?
Si Energy/Mine 25/Slurry Cell 2 Dam was completed in 1987, making it 39 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 Si Energy/Mine 25/Slurry Cell 2 Dam?
Si Energy/Mine 25/Slurry Cell 2 Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Si Energy/Mine 25/Slurry Cell 2 Dam?
Si Energy/Mine 25/Slurry Cell 2 Dam has a dam height of 55 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 Si Energy/Mine 25/Slurry Cell 2 Dam last inspected?
Si Energy/Mine 25/Slurry Cell 2 Dam was last inspected on September 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.