Springfield Coal/Orient 4/East Slurry Imp
Key Takeaway
Springfield Coal/Orient 4/East Slurry Imp is classified as high hazard in Illinois. It was completed in 1985 and is 41 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 | 66 ft (taller than 96.6% in IL) |
| Dam Length | 5,300 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Max Discharge | 11 cfs |
| Year Completed | 1985 (41 years old) |
| NID ID | IL50059 |
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
SPRINGFIELD COAL COMPANY, LLC
Private
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High Hazard 88 ftFrequently Asked Questions
What is the hazard classification of Springfield Coal/Orient 4/East Slurry Imp?
Springfield Coal/Orient 4/East Slurry Imp 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 Springfield Coal/Orient 4/East Slurry Imp?
Springfield Coal/Orient 4/East Slurry Imp is owned by SPRINGFIELD COAL COMPANY, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Springfield Coal/Orient 4/East Slurry Imp built?
Springfield Coal/Orient 4/East Slurry Imp was completed in 1985, making it 41 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 Springfield Coal/Orient 4/East Slurry Imp?
Springfield Coal/Orient 4/East Slurry Imp 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 Springfield Coal/Orient 4/East Slurry Imp?
Springfield Coal/Orient 4/East Slurry Imp has a dam height of 66 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 Springfield Coal/Orient 4/East Slurry Imp last inspected?
Springfield Coal/Orient 4/East Slurry Imp was last inspected on May 15, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.