Illinois Power Company Lake Dam
Key Takeaway
Illinois Power Company Lake Dam is classified as low hazard in Illinois. It was completed in 1954 and is 72 years old. Its primary use is recreation.
Physical Details
| Dam Height | 80 ft (taller than 98.3% in IL) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 2.4K acre-ft |
| Normal Storage | 2.3K acre-ft |
| Year Completed | 1954 (72 years old) |
| NID ID | IL00522 |
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
DYNEGY
Public Utility
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Illinois Power Company Lake Dam?
Illinois Power Company 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 Illinois Power Company Lake Dam?
Illinois Power Company Lake Dam is owned by DYNEGY (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Illinois Power Company Lake Dam built?
Illinois Power Company Lake Dam was completed in 1954, making it 72 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 Illinois Power Company Lake Dam?
Illinois Power Company 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 Illinois Power Company Lake Dam?
Illinois Power Company Lake Dam has a dam height of 80 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 Illinois Power Company Lake Dam last inspected?
Illinois Power Company Lake Dam was last inspected on November 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.