Powerton Cooling Lake Dam
Key Takeaway
Powerton Cooling Lake Dam is classified as significant hazard in Illinois. It was completed in 1970 and is 56 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 47.1% in IL) |
| Dam Length | 31,200 ft |
| Dam Type | Earth |
| Max Storage | 25.6K acre-ft |
| Normal Storage | 15.4K acre-ft |
| Surface Area | 1,440 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 62 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | IL00814 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MIDWEST GENERATION, POWERTON STATION
Private
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Low Hazard 58 ftFrequently Asked Questions
What is the hazard classification of Powerton Cooling Lake Dam?
Powerton Cooling Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Powerton Cooling Lake Dam?
Powerton Cooling Lake Dam is owned by MIDWEST GENERATION, POWERTON STATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Powerton Cooling Lake Dam built?
Powerton Cooling Lake Dam was completed in 1970, making it 56 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 Powerton Cooling Lake Dam?
Powerton Cooling Lake 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 Powerton Cooling Lake Dam?
Powerton Cooling Lake Dam has a dam height of 26 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 Powerton Cooling Lake Dam last inspected?
Powerton Cooling Lake Dam was last inspected on August 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.