Collins Station Cooling Lake Dam
Key Takeaway
Collins Station Cooling Lake Dam is classified as significant hazard in Illinois. It was completed in 1975 and is 51 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 51.5% in IL) |
| Dam Length | 32,736 ft |
| Dam Type | Earth |
| Max Storage | 29.6K acre-ft |
| Normal Storage | 23.6K acre-ft |
| Surface Area | 1,990 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 3,637 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | IL01232 |
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
NRG
Private
Nearby Dams
Dresden Island Lock and Dam
Grundy, IL
Significant HazardBeaver Lake Dam
Grundy, IL
Significant Hazard 15 ftDresden Cooling Lake Dam
Grundy, IL
High Hazard 25 ftInternational Center South Dam
Grundy, IL
Significant Hazard 7 ftMinooka Ridge Business Center Temp Detention Dam
Kendall, IL
Low Hazard 14 ftChannahon Dam
Will, IL
Low Hazard 25 ftHickory Lake Dam
Grundy, IL
Low Hazard 12 ftJoliet West Side Wastewater Treatment Plant Dam
Will, IL
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Collins Station Cooling Lake Dam?
Collins Station 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 Collins Station Cooling Lake Dam?
Collins Station Cooling Lake Dam is owned by NRG (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Collins Station Cooling Lake Dam built?
Collins Station Cooling Lake Dam 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 Collins Station Cooling Lake Dam?
Collins Station 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 Collins Station Cooling Lake Dam?
Collins Station Cooling Lake Dam has a dam height of 27 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 Collins Station Cooling Lake Dam last inspected?
Collins Station Cooling Lake Dam was last inspected on September 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.