Shad Lake Dam
Key Takeaway
Shad Lake Dam is classified as low hazard in Illinois. It was completed in 1950 and is 76 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 28.2% in IL) |
| Dam Length | 450 ft |
| Dam Type | Rockfill |
| Max Storage | 160 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 2,011 cfs |
| Year Completed | 1950 (76 years old) |
| Year Modified | 1998 |
| NID ID | IL01051 |
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
VILLAGE OF ROYAL LAKES
Local Government
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What is the hazard classification of Shad Lake Dam?
Shad 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 Shad Lake Dam?
Shad Lake Dam is owned by VILLAGE OF ROYAL LAKES (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shad Lake Dam built?
Shad Lake Dam was completed in 1950, making it 76 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 Shad Lake Dam?
Shad 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 Shad Lake Dam?
Shad Lake Dam has a dam height of 20 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 Shad Lake Dam last inspected?
Shad Lake Dam was last inspected on September 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.