Beaver Glenn Lake Dam
Key Takeaway
Beaver Glenn Lake Dam is classified as high hazard in Illinois. It was completed in 1973 and is 53 years old. 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 Height | 24 ft (taller than 40.5% in IL) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 254 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 406 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | IL01132 |
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
ANDERSON & KOLLANDER
Private
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High Hazard 59 ftFrequently Asked Questions
What is the hazard classification of Beaver Glenn Lake Dam?
Beaver Glenn 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 Beaver Glenn Lake Dam?
Beaver Glenn Lake Dam is owned by ANDERSON & KOLLANDER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Beaver Glenn Lake Dam built?
Beaver Glenn Lake Dam was completed in 1973, making it 53 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 Beaver Glenn Lake Dam?
Beaver Glenn 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.
How tall is Beaver Glenn Lake Dam?
Beaver Glenn Lake Dam has a dam height of 24 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 Beaver Glenn Lake Dam last inspected?
Beaver Glenn Lake Dam was last inspected on July 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.