Grandwood Lake Dam
Key Takeaway
Grandwood Lake Dam is classified as high hazard in Illinois. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Type | Earth |
| Normal Storage | 0 acre-ft |
| NID ID | IL55177 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
GRANDWOOD PARK PARK DISTRICT
Local Government
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High Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Grandwood Lake Dam?
Grandwood Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grandwood Lake Dam?
Grandwood Lake Dam is owned by GRANDWOOD PARK PARK DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Grandwood Lake Dam?
Grandwood Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Grandwood Lake Dam last inspected?
Grandwood Lake Dam was last inspected on July 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.