Coal & Crane Creek Structure 11
Key Takeaway
Coal & Crane Creek Structure 11 is classified as low hazard in Illinois. It was completed in 1975 and is 51 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 48 ft (taller than 90.6% in IL) |
| Dam Length | 268 ft |
| Dam Type | Earth |
| Max Storage | 41 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 258 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | IL50640 |
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
UNKNOWN
Private
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Low Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Coal & Crane Creek Structure 11?
Coal & Crane Creek Structure 11 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 Coal & Crane Creek Structure 11?
Coal & Crane Creek Structure 11 is owned by UNKNOWN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coal & Crane Creek Structure 11 built?
Coal & Crane Creek Structure 11 was completed in 1975, making it 51 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 Coal & Crane Creek Structure 11?
Coal & Crane Creek Structure 11 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Coal & Crane Creek Structure 11?
Coal & Crane Creek Structure 11 has a dam height of 48 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 Coal & Crane Creek Structure 11 last inspected?
Coal & Crane Creek Structure 11 was last inspected on July 8, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.