Illinois Coal Recovery/Mine 21/Reservoir Dam
Key Takeaway
Illinois Coal Recovery/Mine 21/Reservoir Dam is classified as significant hazard in Illinois. It was completed in 1960 and is 66 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 32.8% in IL) |
| Dam Length | 1,040 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 581 acre-ft |
| Year Completed | 1960 (66 years old) |
| NID ID | IL00963 |
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
ILLINOIS COAL RECOVERY, LLC
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Illinois Coal Recovery/Mine 21/Reservoir Dam?
Illinois Coal Recovery/Mine 21/Reservoir 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 Illinois Coal Recovery/Mine 21/Reservoir Dam?
Illinois Coal Recovery/Mine 21/Reservoir Dam is owned by ILLINOIS COAL RECOVERY, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Illinois Coal Recovery/Mine 21/Reservoir Dam built?
Illinois Coal Recovery/Mine 21/Reservoir Dam was completed in 1960, making it 66 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 Illinois Coal Recovery/Mine 21/Reservoir Dam?
Illinois Coal Recovery/Mine 21/Reservoir 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 Illinois Coal Recovery/Mine 21/Reservoir Dam?
Illinois Coal Recovery/Mine 21/Reservoir Dam has a dam height of 21 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 Illinois Coal Recovery/Mine 21/Reservoir Dam last inspected?
Illinois Coal Recovery/Mine 21/Reservoir Dam was last inspected on September 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.