Reservoir 54 Dam
Key Takeaway
Reservoir 54 Dam is classified as low hazard in Illinois. It was completed in 2002 and is 24 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 9 ft (taller than 3.9% in IL) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 0 acre-ft |
| Year Completed | 2002 (24 years old) |
| NID ID | IL55018 |
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
GALLAGHER & HENRY
Local Government
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High Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Reservoir 54 Dam?
Reservoir 54 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 Reservoir 54 Dam?
Reservoir 54 Dam is owned by GALLAGHER & HENRY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Reservoir 54 Dam built?
Reservoir 54 Dam was completed in 2002, making it 24 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 Reservoir 54 Dam?
Reservoir 54 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 Reservoir 54 Dam?
Reservoir 54 Dam has a dam height of 9 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 Reservoir 54 Dam last inspected?
Reservoir 54 Dam was last inspected on November 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.