Lake Centralia Dam
Key Takeaway
Lake Centralia Dam is classified as significant hazard in Illinois. It was completed in 1911 and is 115 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 66.2% in IL) |
| Dam Length | 720 ft |
| Dam Type | Earth |
| Max Storage | 4.2K acre-ft |
| Normal Storage | 2.8K acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 5,183 cfs |
| Year Completed | 1911 (115 years old) |
| NID ID | IL00239 |
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
CITY OF CENTRALIA
Local Government
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Lake Centralia Dam?
Lake Centralia 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 Lake Centralia Dam?
Lake Centralia Dam is owned by CITY OF CENTRALIA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Centralia Dam built?
Lake Centralia Dam was completed in 1911, making it 115 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 Lake Centralia Dam?
Lake Centralia Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Centralia Dam?
Lake Centralia Dam has a dam height of 31 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 Lake Centralia Dam last inspected?
Lake Centralia Dam was last inspected on August 8, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.