Grand Tower Station Ash Pond
Key Takeaway
Grand Tower Station Ash Pond is classified as significant hazard in Illinois. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 16.3% in IL) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 0 acre-ft |
| NID ID | IL50705 |
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
GRAND TOWER ENERGY CENTER, LLC
Private
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Grand Tower Station Ash Pond?
Grand Tower Station Ash Pond 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 Grand Tower Station Ash Pond?
Grand Tower Station Ash Pond is owned by GRAND TOWER ENERGY CENTER, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grand Tower Station Ash Pond?
Grand Tower Station Ash Pond 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 Grand Tower Station Ash Pond?
Grand Tower Station Ash Pond has a dam height of 15 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 Grand Tower Station Ash Pond last inspected?
Grand Tower Station Ash Pond was last inspected on June 22, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.