Lock C-11 Dam
Key Takeaway
Lock C-11 Dam is classified as significant hazard in New York. It was completed in 1910 and is 116 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 37.1% in NY) |
| Dam Length | 113 ft |
| Dam Type | Concrete |
| Max Storage | 79 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 14 acres |
| Year Completed | 1910 (116 years old) |
| NID ID | NY01075 |
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
New York State Canal Corporation
State Government
Nearby Dams
Dolph Pond Dam
Washington, NY
Low Hazard 12 ftBoardman St. Reservoir Dam
Washington, NY
Significant Hazard 15 ftLock C-12
Washington, NY
Significant Hazard 21 ftPike Brook Dam
Washington, NY
Significant Hazard 30 ftCopeland Pond Dam
Washington, NY
Low Hazard 7 ftLock C-9 Dam
Washington, NY
Low Hazard 17 ftMirror Lake Dam
Washington, NY
Low Hazard 18 ftPine Lake Dam & Dike
Washington, NY
Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Lock C-11 Dam?
Lock C-11 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 Lock C-11 Dam?
Lock C-11 Dam is owned by New York State Canal Corporation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lock C-11 Dam built?
Lock C-11 Dam was completed in 1910, making it 116 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 Lock C-11 Dam?
Lock C-11 Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lock C-11 Dam?
Lock C-11 Dam has a dam height of 15 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 Lock C-11 Dam last inspected?
Lock C-11 Dam was last inspected on May 3, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.