Lock E-18 Dam Herkimer
Key Takeaway
Lock E-18 Dam Herkimer is classified as significant hazard in New York. It was completed in 1915 and is 111 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 6 ft (taller than 0.3% in NY) |
| Dam Length | 400 ft |
| Dam Type | Other |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 420 acres |
| Year Completed | 1915 (111 years old) |
| NID ID | NY00966 |
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
Mirror Lake Dam
Herkimer, NY
High Hazard 25 ftHerkimer
Herkimer, NY
Low Hazard 12 ftIlion Reservoir #3 Dam
Herkimer, NY
High Hazard 76 ftIlion Reservoir #1 Dam
Herkimer, NY
High Hazard 40 ftIlion Reservoir #2 Dam
Herkimer, NY
High Hazard 60 ftFrankfort Reservoir Dam
Herkimer, NY
Significant Hazard 45 ftGeorge R Cogar Pond Dam
Herkimer, NY
Low Hazard 29 ftLittle Falls State Dam - North
Herkimer, NY
Significant Hazard 6 ftFrequently Asked Questions
What is the hazard classification of Lock E-18 Dam Herkimer?
Lock E-18 Dam Herkimer 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 E-18 Dam Herkimer?
Lock E-18 Dam Herkimer 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 E-18 Dam Herkimer built?
Lock E-18 Dam Herkimer 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 Lock E-18 Dam Herkimer?
Lock E-18 Dam Herkimer serves the following purposes: Flood Risk Reduction, Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lock E-18 Dam Herkimer?
Lock E-18 Dam Herkimer has a dam height of 6 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 E-18 Dam Herkimer last inspected?
Lock E-18 Dam Herkimer was last inspected on September 1, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.