National Petroleum Chemical Plant Lake Dam
Key Takeaway
National Petroleum Chemical Plant Lake Dam is classified as significant hazard in Illinois. It was completed in 1952 and is 74 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 32.8% in IL) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 367 acre-ft |
| Normal Storage | 350 acre-ft |
| Year Completed | 1952 (74 years old) |
| NID ID | IL00738 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
U. S. INDUSTRIAL CHEMICAL COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of National Petroleum Chemical Plant Lake Dam?
National Petroleum Chemical Plant Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates National Petroleum Chemical Plant Lake Dam?
National Petroleum Chemical Plant Lake Dam is owned by U. S. INDUSTRIAL CHEMICAL COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was National Petroleum Chemical Plant Lake Dam built?
National Petroleum Chemical Plant Lake Dam was completed in 1952, making it 74 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 National Petroleum Chemical Plant Lake Dam?
National Petroleum Chemical Plant Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is National Petroleum Chemical Plant Lake Dam?
National Petroleum Chemical Plant 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 National Petroleum Chemical Plant Lake Dam last inspected?
National Petroleum Chemical Plant Lake Dam was last inspected on November 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.