Defrates-Shaeffer Lake Dam
Key Takeaway
Defrates-Shaeffer Lake Dam is classified as low hazard in Illinois. It was completed in 1976 and is 50 years old. Its primary use is recreation.
Physical Details
| Dam Height | 26 ft (taller than 47.1% in IL) |
| Dam Length | 185 ft |
| Dam Type | Earth |
| Max Storage | 69 acre-ft |
| Normal Storage | 43 acre-ft |
| Year Completed | 1976 (50 years old) |
| NID ID | IL00985 |
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
DE FRATES SHAEFFER LAND COMPANY
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Defrates-Shaeffer Lake Dam?
Defrates-Shaeffer 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 Defrates-Shaeffer Lake Dam?
Defrates-Shaeffer Lake Dam is owned by DE FRATES SHAEFFER LAND COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Defrates-Shaeffer Lake Dam built?
Defrates-Shaeffer Lake Dam was completed in 1976, making it 50 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 Defrates-Shaeffer Lake Dam?
Defrates-Shaeffer 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 Defrates-Shaeffer Lake Dam?
Defrates-Shaeffer Lake Dam has a dam height of 26 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 Defrates-Shaeffer Lake Dam last inspected?
Defrates-Shaeffer Lake Dam was last inspected on April 9, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.