Jerry F. Costello Lock and Dam
Key Takeaway
Jerry F. Costello Lock and Dam is classified as significant hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 66 ft (taller than 96.6% in IL) |
| Dam Length | 603 ft |
| Dam Type | Concrete |
| Max Storage | 25.2K acre-ft |
| Normal Storage | 22.2K acre-ft |
| Surface Area | 2,618 acres |
| Drainage Area | 5,790 sq mi |
| Max Discharge | 62,000 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | IL00115 |
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
USACE - St. Louis District
Federal Government
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What is the hazard classification of Jerry F. Costello Lock and Dam?
Jerry F. Costello Lock and 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 Jerry F. Costello Lock and Dam?
Jerry F. Costello Lock and Dam is owned by USACE - St. Louis District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jerry F. Costello Lock and Dam built?
Jerry F. Costello Lock and Dam was completed in 1974, making it 52 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 Jerry F. Costello Lock and Dam?
Jerry F. Costello Lock and Dam serves the following purposes: Navigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jerry F. Costello Lock and Dam?
Jerry F. Costello Lock and Dam has a dam height of 66 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 Jerry F. Costello Lock and Dam last inspected?
Jerry F. Costello Lock and Dam was last inspected on March 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.