Laharpe Reservoir Dam
Key Takeaway
Laharpe Reservoir Dam is classified as significant hazard in Illinois. It was completed in 1949 and is 77 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 16.3% in IL) |
| Dam Length | 1,532 ft |
| Dam Type | Earth |
| Max Storage | 144 acre-ft |
| Normal Storage | 90 acre-ft |
| Year Completed | 1949 (77 years old) |
| NID ID | IL00254 |
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 LAHARPE
Local Government
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Significant Hazard 58 ftFrequently Asked Questions
What is the hazard classification of Laharpe Reservoir Dam?
Laharpe Reservoir 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 Laharpe Reservoir Dam?
Laharpe Reservoir Dam is owned by CITY OF LAHARPE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Laharpe Reservoir Dam built?
Laharpe Reservoir Dam was completed in 1949, making it 77 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 Laharpe Reservoir Dam?
Laharpe Reservoir 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 Laharpe Reservoir Dam?
Laharpe Reservoir Dam has a dam height of 15 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 Laharpe Reservoir Dam last inspected?
Laharpe Reservoir Dam was last inspected on May 5, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.