Thad Cochran Lock and Dam
Key Takeaway
Thad Cochran Lock and Dam is classified as significant hazard in Mississippi. It was completed in 1982 and is 44 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 3,400 ft |
| Dam Type | Gravity |
| Max Storage | 4.4K acre-ft |
| Normal Storage | 4.4K acre-ft |
| Surface Area | 914 acres |
| Drainage Area | 1,226 sq mi |
| Max Discharge | 420,900 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | MS03058 |
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 - Mobile District
Federal Government
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Thad Cochran Lock and Dam?
Thad Cochran 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 Thad Cochran Lock and Dam?
Thad Cochran Lock and Dam is owned by USACE - Mobile District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thad Cochran Lock and Dam built?
Thad Cochran Lock and Dam was completed in 1982, making it 44 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 Thad Cochran Lock and Dam?
Thad Cochran Lock and Dam serves the following purposes: Navigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Thad Cochran Lock and Dam last inspected?
Thad Cochran Lock and Dam was last inspected on April 8, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.