Consol/Rend Lake Mine/Slurry Impoundment 1
Key Takeaway
Consol/Rend Lake Mine/Slurry Impoundment 1 is classified as high hazard in Illinois. It was completed in 1993 and is 33 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 | 75 ft (taller than 97.8% in IL) |
| Dam Length | 8,500 ft |
| Dam Type | Earth |
| Max Storage | 4.8K acre-ft |
| Normal Storage | 3.9K acre-ft |
| Max Discharge | 109 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | IL50164 |
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
MURRAY ENERGY
Private
Nearby Dams
Raw Water Reservoir Dam
Jefferson, IL
Significant Hazard 20 ft"E" Pond Treatment
Jefferson, IL
Low Hazard 13 ftConsol/Rend Lake Mine/Slurry Cell 2 Dam
Jefferson, IL
High Hazard 100 ftConsol/Rend Lake/Sed Pond 008 Dam
Jefferson, IL
Low Hazard 18 ftConsol/Rend Lake Mine/Sediment Pond 009 Dam
Jefferson, IL
Low Hazard 16 ftIll Coal Recovery/Old Ed Mine 21/Slurry Cell 3 Dam
Franklin, IL
Low Hazard 25 ftIllinois Coal Recovery/Old Ed/Slurry Cell 6 Dam
Franklin, IL
Low Hazard 30 ftIll Coal Recovery/Old Ed Mine 21/Slurry Cell 4 Dam
Franklin, IL
Low Hazard 47 ftFrequently Asked Questions
What is the hazard classification of Consol/Rend Lake Mine/Slurry Impoundment 1?
Consol/Rend Lake Mine/Slurry Impoundment 1 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 Consol/Rend Lake Mine/Slurry Impoundment 1?
Consol/Rend Lake Mine/Slurry Impoundment 1 is owned by MURRAY ENERGY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Consol/Rend Lake Mine/Slurry Impoundment 1 built?
Consol/Rend Lake Mine/Slurry Impoundment 1 was completed in 1993, making it 33 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 Consol/Rend Lake Mine/Slurry Impoundment 1?
Consol/Rend Lake Mine/Slurry Impoundment 1 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 Consol/Rend Lake Mine/Slurry Impoundment 1?
Consol/Rend Lake Mine/Slurry Impoundment 1 has a dam height of 75 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 Consol/Rend Lake Mine/Slurry Impoundment 1 last inspected?
Consol/Rend Lake Mine/Slurry Impoundment 1 was last inspected on October 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.