Lake Carlinville Dam
Key Takeaway
Lake Carlinville Dam is classified as low hazard in Illinois. It was completed in 1938 and is 88 years old. Its primary use is recreation.
Physical Details
| Dam Height | 34 ft (taller than 73.9% in IL) |
| Dam Length | 785 ft |
| Dam Type | Earth |
| Max Storage | 4.4K acre-ft |
| Normal Storage | 2.1K acre-ft |
| Surface Area | 233 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 10,000 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | IL00778 |
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
CITY OF CARLINVILLE
Local Government
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High Hazard 43 ftSuhling Pond Dam
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Lake Carlinville Dam?
Lake Carlinville 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 Lake Carlinville Dam?
Lake Carlinville Dam is owned by CITY OF CARLINVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Carlinville Dam built?
Lake Carlinville Dam was completed in 1938, making it 88 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 Carlinville Dam?
Lake Carlinville 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 Carlinville Dam?
Lake Carlinville Dam has a dam height of 34 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 Carlinville Dam last inspected?
Lake Carlinville Dam was last inspected on August 23, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.