Shoal Creek Structure 5 Dam
Key Takeaway
Shoal Creek Structure 5 Dam is classified as high hazard in Illinois. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 30 ft (taller than 61.3% in IL) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 4,025 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | IL00928 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF HILLSBORO
Local Government
Nearby Dams
Hillboro Energy/Deer Run/Crd 2 Dam
Montgomery, IL
High Hazard 77 ftHillsboro Energy/Deer Run/Crd 1 Dam
Montgomery, IL
High Hazard 80 ftAmerican Zinc Smelter Company Large Lake Dam
Montgomery, IL
Significant Hazard 31 ftLake Hillsboro Dam
Montgomery, IL
Significant Hazard 34 ftLake Glenn Shoals Dam
Montgomery, IL
Significant Hazard 56 ftJohnson Pond Dam 1
Montgomery, IL
Low Hazard 30 ftJustison Pond Dam 1
Montgomery, IL
Low Hazard 30 ftHughes Pond Dam 1
Montgomery, IL
Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Shoal Creek Structure 5 Dam?
Shoal Creek Structure 5 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Shoal Creek Structure 5 Dam?
Shoal Creek Structure 5 Dam is owned by CITY OF HILLSBORO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shoal Creek Structure 5 Dam built?
Shoal Creek Structure 5 Dam was completed in 1973, making it 53 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 Shoal Creek Structure 5 Dam?
Shoal Creek Structure 5 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Shoal Creek Structure 5 Dam?
Shoal Creek Structure 5 Dam has a dam height of 30 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 Shoal Creek Structure 5 Dam last inspected?
Shoal Creek Structure 5 Dam was last inspected on December 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.