Troy Lock and Dam 1
Key Takeaway
Troy Lock and Dam 1 is classified as significant hazard in New York. It was completed in 1915 and is 111 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 56.3% in NY) |
| Dam Length | 1,450 ft |
| Dam Type | Concrete |
| Max Storage | 4.2K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 280 acres |
| Drainage Area | 8,090 sq mi |
| Max Discharge | 215,000 cfs |
| Year Completed | 1915 (111 years old) |
| NID ID | NY00951 |
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 - New York District
Federal Government
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What is the hazard classification of Troy Lock and Dam 1?
Troy Lock and Dam 1 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 Troy Lock and Dam 1?
Troy Lock and Dam 1 is owned by USACE - New York District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Troy Lock and Dam 1 built?
Troy Lock and Dam 1 was completed in 1915, making it 111 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 Troy Lock and Dam 1?
Troy Lock and Dam 1 serves the following purposes: Navigation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Troy Lock and Dam 1?
Troy Lock and Dam 1 has a dam height of 20 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 Troy Lock and Dam 1 last inspected?
Troy Lock and Dam 1 was last inspected on August 30, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.