Hannibal Locks and Dam
Key Takeaway
Hannibal Locks and Dam is classified as significant hazard in West Virginia. 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 Length | 1,403 ft |
| Dam Type | Gravity |
| Max Storage | 130.0K acre-ft |
| Normal Storage | 130.0K acre-ft |
| Surface Area | 6,650 acres |
| Drainage Area | 25,967 sq mi |
| Max Discharge | 335,000 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | WV10301 |
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 - Pittsburgh District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hannibal Locks and Dam?
Hannibal Locks 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 Hannibal Locks and Dam?
Hannibal Locks and Dam is owned by USACE - Pittsburgh District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hannibal Locks and Dam built?
Hannibal Locks 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 Hannibal Locks and Dam?
Hannibal Locks and Dam serves the following purposes: Navigation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Hannibal Locks and Dam last inspected?
Hannibal Locks and Dam was last inspected on June 29, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.