Fermilab Main Injector Dam
Key Takeaway
Fermilab Main Injector Dam is classified as low hazard in Illinois. It was completed in 1997 and is 29 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 18 ft (taller than 24.2% in IL) |
| Dam Length | 3,500 ft |
| Dam Type | Earth |
| Max Storage | 9.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Year Completed | 1997 (29 years old) |
| NID ID | IL50350 |
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
U.S. DEPARTMENT OF ENERGY
Federal Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Fermilab Main Injector Dam?
Fermilab Main Injector 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 Fermilab Main Injector Dam?
Fermilab Main Injector Dam is owned by U.S. DEPARTMENT OF ENERGY (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fermilab Main Injector Dam built?
Fermilab Main Injector Dam was completed in 1997, making it 29 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 Fermilab Main Injector Dam?
Fermilab Main Injector 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 Fermilab Main Injector Dam?
Fermilab Main Injector Dam has a dam height of 18 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 Fermilab Main Injector Dam last inspected?
Fermilab Main Injector Dam was last inspected on September 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.