Dupage Airport Upper Dam
Key Takeaway
Dupage Airport Upper Dam is classified as low hazard in Illinois. It was completed in 1993 and is 33 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 15 ft (taller than 16.3% in IL) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 450 acre-ft |
| Normal Storage | 0 acre-ft |
| Max Discharge | 340 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | IL50203 |
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
DUPAGE COUNTY AIRPORT AUTHORITY
Local Government
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Dupage Airport Upper Dam?
Dupage Airport Upper 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 Dupage Airport Upper Dam?
Dupage Airport Upper Dam is owned by DUPAGE COUNTY AIRPORT AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dupage Airport Upper Dam built?
Dupage Airport Upper Dam was completed in 1993, making it 33 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 Dupage Airport Upper Dam?
Dupage Airport Upper 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 Dupage Airport Upper Dam?
Dupage Airport Upper 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 Dupage Airport Upper Dam last inspected?
Dupage Airport Upper Dam was last inspected on June 28, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.