Island Lake Dam
Key Takeaway
Island Lake Dam is classified as low hazard in Illinois. It was completed in 1940 and is 86 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 35 ft (taller than 76.2% in IL) |
| Dam Type | Earth |
| Max Storage | 40 acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 0 sq mi |
| Year Completed | 1940 (86 years old) |
| NID ID | IL55087 |
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
MAX MCGRAW WILDLIFE FOUNDATION
Private
Nearby Dams
Duck Valley Dam
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Low Hazard 40 ftWest Lake Dam
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Low Hazard 25 ftMarsh A Dam
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Low Hazard 35 ftNorth Lake Dam
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Low Hazard 26 ftKimball Street Dam
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Significant Hazard 13 ftCarpentersville Dam
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Low Hazard 8 ftPine Lake Dam
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High Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Island Lake Dam?
Island Lake Dam 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 Island Lake Dam?
Island Lake Dam is owned by MAX MCGRAW WILDLIFE FOUNDATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Island Lake Dam built?
Island Lake Dam was completed in 1940, making it 86 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 Island Lake Dam?
Island Lake Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Island Lake Dam?
Island Lake Dam has a dam height of 35 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 Island Lake Dam last inspected?
Island Lake Dam was last inspected on May 3, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.