Roberts Lake Dam
Key Takeaway
Roberts Lake Dam is classified as low hazard in Illinois. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 22 ft (taller than 35.1% in IL) |
| Dam Length | 1,010 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 48 acre-ft |
| Year Completed | 1965 (61 years old) |
| NID ID | IL00609 |
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
GLENN ERNST
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Roberts Lake Dam?
Roberts 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 Roberts Lake Dam?
Roberts Lake Dam is owned by GLENN ERNST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Roberts Lake Dam built?
Roberts Lake Dam was completed in 1965, making it 61 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 Roberts Lake Dam?
Roberts 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 Roberts Lake Dam?
Roberts Lake Dam has a dam height of 22 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 Roberts Lake Dam last inspected?
Roberts Lake Dam was last inspected on August 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.