Springfield Coal/Industry/Pond 21 Dam
Key Takeaway
Springfield Coal/Industry/Pond 21 Dam is classified as low hazard in Illinois. It was completed in 1997 and is 29 years old. Its primary use is other.
Physical Details
| Dam Height | 28 ft (taller than 54.6% in IL) |
| Dam Length | 570 ft |
| Dam Type | Earth |
| Max Storage | 46 acre-ft |
| Normal Storage | 6 acre-ft |
| Max Discharge | 21 cfs |
| Year Completed | 1997 (29 years old) |
| NID ID | IL50301 |
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
SPRINGFIELD COAL COMPANY, LLC
Private
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Springfield Coal/Industry/Pond 21 Dam?
Springfield Coal/Industry/Pond 21 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 Springfield Coal/Industry/Pond 21 Dam?
Springfield Coal/Industry/Pond 21 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/Industry/Pond 21 Dam built?
Springfield Coal/Industry/Pond 21 Dam was completed in 1997, making it 29 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/Industry/Pond 21 Dam?
Springfield Coal/Industry/Pond 21 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/Industry/Pond 21 Dam?
Springfield Coal/Industry/Pond 21 Dam has a dam height of 28 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/Industry/Pond 21 Dam last inspected?
Springfield Coal/Industry/Pond 21 Dam was last inspected on October 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.