Loch Lomond Dam
Key Takeaway
Loch Lomond Dam is classified as significant hazard in Illinois. It was completed in 1958 and is 68 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 14.5% in IL) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 821 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,823 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | IL00652 |
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
LOCH LOMOND PROPERTY OWNERS ASSOCIATION
Private
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Loch Lomond Dam?
Loch Lomond 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 Loch Lomond Dam?
Loch Lomond Dam is owned by LOCH LOMOND PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Loch Lomond Dam built?
Loch Lomond Dam was completed in 1958, making it 68 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 Loch Lomond Dam?
Loch Lomond Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Loch Lomond Dam?
Loch Lomond Dam has a dam height of 14 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 Loch Lomond Dam last inspected?
Loch Lomond Dam was last inspected on July 12, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.