Timber Lake Dam
Key Takeaway
Timber Lake Dam is classified as significant hazard in Illinois. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 28.2% in IL) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 35 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 20 acres |
| NID ID | IL50598 |
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
RAY, DOLLUS & MANNING
Private
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High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Timber Lake Dam?
Timber 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 Timber Lake Dam?
Timber Lake Dam is owned by RAY, DOLLUS & MANNING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Timber Lake Dam?
Timber Lake Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Timber Lake Dam?
Timber Lake Dam has a dam height of 20 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 Timber Lake Dam last inspected?
Timber Lake Dam was last inspected on October 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.