Springfield Coal/Crown3/North Refuse Extension Dam
Key Takeaway
Springfield Coal/Crown3/North Refuse Extension Dam is classified as high hazard in Illinois. It was completed in 2000 and is 26 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 | 35 ft (taller than 76.2% in IL) |
| Dam Length | 3,800 ft |
| Dam Type | Earth |
| Max Storage | 730 acre-ft |
| Normal Storage | 600 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 35 sq mi |
| Max Discharge | 8 cfs |
| Year Completed | 2000 (26 years old) |
| NID ID | IL50461 |
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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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Springfield Coal/Crown3/North Refuse Extension Dam?
Springfield Coal/Crown3/North Refuse Extension 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 Springfield Coal/Crown3/North Refuse Extension Dam?
Springfield Coal/Crown3/North Refuse Extension Dam 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/Crown3/North Refuse Extension Dam built?
Springfield Coal/Crown3/North Refuse Extension Dam was completed in 2000, making it 26 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/Crown3/North Refuse Extension Dam?
Springfield Coal/Crown3/North Refuse Extension 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 Springfield Coal/Crown3/North Refuse Extension Dam?
Springfield Coal/Crown3/North Refuse Extension Dam has a dam height of 35 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/Crown3/North Refuse Extension Dam last inspected?
Springfield Coal/Crown3/North Refuse Extension Dam was last inspected on September 21, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.