Lake Chautauqua Upper Dam
Key Takeaway
Lake Chautauqua Upper Dam is classified as low hazard in Illinois. It was completed in 1916 and is 110 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 17 ft (taller than 22.3% in IL) |
| Dam Length | 15,424 ft |
| Dam Type | Earth |
| Max Storage | 17.3K acre-ft |
| Normal Storage | 4.2K acre-ft |
| Surface Area | 1,200 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,327 cfs |
| Year Completed | 1916 (110 years old) |
| NID ID | IL50423 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Lake Chautauqua Upper Dam?
Lake Chautauqua 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 Lake Chautauqua Upper Dam?
Lake Chautauqua Upper Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Chautauqua Upper Dam built?
Lake Chautauqua Upper Dam was completed in 1916, making it 110 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 Chautauqua Upper Dam?
Lake Chautauqua Upper Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Chautauqua Upper Dam?
Lake Chautauqua Upper Dam has a dam height of 17 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 Chautauqua Upper Dam last inspected?
Lake Chautauqua Upper Dam was last inspected on September 9, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.