Gorge No. 18
Key Takeaway
Gorge No. 18 is classified as low hazard in Vermont. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 46 ft (taller than 89.7% in VT) |
| Dam Length | 350 ft |
| Dam Type | Concrete |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 1,080 sq mi |
| Year Completed | 1914 (112 years old) |
| NID ID | VT00030 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
GREEN MOUNTAIN POWER CORP
Public Utility
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Gorge No. 18?
Gorge No. 18 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Gorge No. 18?
Gorge No. 18 is owned by GREEN MOUNTAIN POWER CORP (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gorge No. 18 built?
Gorge No. 18 was completed in 1914, making it 112 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 Gorge No. 18?
Gorge No. 18 serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gorge No. 18?
Gorge No. 18 has a dam height of 46 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 Gorge No. 18 last inspected?
Gorge No. 18 was last inspected on May 3, 1984. Inspection dates indicate when a formal review occurred, not the results of that inspection.