Maxwell Locks and Dam
Key Takeaway
Maxwell Locks and Dam is classified as significant hazard in Pennsylvania. It was completed in 1964 and is 62 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 692 ft |
| Dam Type | Gravity |
| Max Storage | 30.9K acre-ft |
| Normal Storage | 30.9K acre-ft |
| Surface Area | 1,380 acres |
| Drainage Area | 4,961 sq mi |
| Max Discharge | 120,000 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | PA00123 |
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
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Maxwell Locks and Dam?
Maxwell 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 Maxwell Locks and Dam?
Maxwell 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 Maxwell Locks and Dam built?
Maxwell Locks and Dam was completed in 1964, making it 62 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 Maxwell Locks and Dam?
Maxwell Locks and Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Maxwell Locks and Dam last inspected?
Maxwell Locks and Dam was last inspected on June 4, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.