Lewis Industrial Park Detention Dam
Key Takeaway
Lewis Industrial Park Detention Dam is classified as low hazard in Illinois. It was completed in 1999 and is 27 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 12 ft (taller than 10% in IL) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Max Storage | 218 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 90 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IL50400 |
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
CITY OF MOUNT VERNON
Local Government
Nearby Dams
L & N Reservoir
Jefferson, IL
High Hazard 25 ftHawthorne Hills Lake Dam
Jefferson, IL
Significant Hazard 18 ftLake Normandy Dam
Jefferson, IL
Low Hazard 19 ftLake Jaycee Dam
Jefferson, IL
Significant Hazard 30 ftMiller Lake Dam
Jefferson, IL
High Hazard 40 ftBushong Pond Dam 1
Jefferson, IL
Low Hazard 28 ftLagg Lake 1 Dam
Jefferson, IL
Low Hazard 18 ftLagg Lake 2
Jefferson, IL
Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Lewis Industrial Park Detention Dam?
Lewis Industrial Park Detention 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 Lewis Industrial Park Detention Dam?
Lewis Industrial Park Detention Dam is owned by CITY OF MOUNT VERNON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lewis Industrial Park Detention Dam built?
Lewis Industrial Park Detention Dam was completed in 1999, making it 27 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 Lewis Industrial Park Detention Dam?
Lewis Industrial Park Detention 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 Lewis Industrial Park Detention Dam?
Lewis Industrial Park Detention Dam has a dam height of 12 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 Lewis Industrial Park Detention Dam last inspected?
Lewis Industrial Park Detention Dam was last inspected on June 5, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.