Blandinsville City Reservoir Dam
Key Takeaway
Blandinsville City Reservoir Dam is classified as high hazard in Illinois. It was completed in 1940 and is 86 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 28.2% in IL) |
| Dam Length | 2,680 ft |
| Dam Type | Earth |
| Max Storage | 126 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 8 acres |
| Year Completed | 1940 (86 years old) |
| NID ID | IL00275 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF BLANDINSVILLE
Local Government
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Significant Hazard 46 ftFrequently Asked Questions
What is the hazard classification of Blandinsville City Reservoir Dam?
Blandinsville City Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Blandinsville City Reservoir Dam?
Blandinsville City Reservoir Dam is owned by CITY OF BLANDINSVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blandinsville City Reservoir Dam built?
Blandinsville City Reservoir Dam was completed in 1940, making it 86 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 Blandinsville City Reservoir Dam?
Blandinsville City Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blandinsville City Reservoir Dam?
Blandinsville City Reservoir Dam has a dam height of 20 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 Blandinsville City Reservoir Dam last inspected?
Blandinsville City Reservoir Dam was last inspected on October 19, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.