Arrowwood Lake Dam
Key Takeaway
Arrowwood Lake Dam is classified as low hazard in Illinois. It was completed in 2001 and is 25 years old. Its primary use is recreation.
Physical Details
| Dam Height | 28 ft (taller than 54.6% in IL) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 297 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,930 cfs |
| Year Completed | 2001 (25 years old) |
| NID ID | IL50425 |
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
UNKNOWN
Private
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Arrowwood Lake Dam?
Arrowwood Lake 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 Arrowwood Lake Dam?
Arrowwood Lake Dam is owned by UNKNOWN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arrowwood Lake Dam built?
Arrowwood Lake Dam was completed in 2001, making it 25 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 Arrowwood Lake Dam?
Arrowwood Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arrowwood Lake Dam?
Arrowwood Lake Dam has a dam height of 28 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 Arrowwood Lake Dam last inspected?
Arrowwood Lake Dam was last inspected on June 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.