Ridgeway Lake Dam
Key Takeaway
Ridgeway Lake Dam is classified as low hazard in Illinois. It was completed in 1964 and is 62 years old. Its primary use is recreation.
Physical Details
| Dam Height | 21 ft (taller than 32.8% in IL) |
| Dam Length | 440 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 76 acre-ft |
| Year Completed | 1964 (62 years old) |
| NID ID | IL00880 |
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
WILLIAM J. RIDGEWAY
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Ridgeway Lake Dam?
Ridgeway 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 Ridgeway Lake Dam?
Ridgeway Lake Dam is owned by WILLIAM J. RIDGEWAY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ridgeway Lake Dam built?
Ridgeway Lake Dam was completed in 1964, making it 62 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 Ridgeway Lake Dam?
Ridgeway 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 Ridgeway Lake Dam?
Ridgeway Lake Dam has a dam height of 21 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 Ridgeway Lake Dam last inspected?
Ridgeway Lake Dam was last inspected on October 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.