Old Ben/Mine 24/Sediment and Slurry Dam
Key Takeaway
Old Ben/Mine 24/Sediment and Slurry Dam is classified as low hazard in Illinois. It was completed in 1982 and is 44 years old. Its primary use is other.
Physical Details
| Dam Height | 30 ft (taller than 61.3% in IL) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 600 acre-ft |
| Normal Storage | 326 acre-ft |
| Max Discharge | 160 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | IL50024 |
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
OLD BEN COAL COMPANY
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Old Ben/Mine 24/Sediment and Slurry Dam?
Old Ben/Mine 24/Sediment and Slurry 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 Old Ben/Mine 24/Sediment and Slurry Dam?
Old Ben/Mine 24/Sediment and Slurry Dam is owned by OLD BEN COAL COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Old Ben/Mine 24/Sediment and Slurry Dam built?
Old Ben/Mine 24/Sediment and Slurry Dam was completed in 1982, making it 44 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 Old Ben/Mine 24/Sediment and Slurry Dam?
Old Ben/Mine 24/Sediment and Slurry 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 Old Ben/Mine 24/Sediment and Slurry Dam?
Old Ben/Mine 24/Sediment and Slurry Dam has a dam height of 30 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 Old Ben/Mine 24/Sediment and Slurry Dam last inspected?
Old Ben/Mine 24/Sediment and Slurry Dam was last inspected on July 6, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.