Newport
Key Takeaway
Newport is classified as high hazard in Vermont. It was completed in 1936 and is 90 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 60.2% in VT) |
| Dam Length | 713 ft |
| Dam Type | Masonry |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 3.0K acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 142 sq mi |
| Max Discharge | 10,750 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | VT00020 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Great Bay Hydro Corporation
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Newport?
Newport is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Newport?
Newport is owned by Great Bay Hydro Corporation (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Newport built?
Newport was completed in 1936, making it 90 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 Newport?
Newport 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 Newport?
Newport has a dam height of 22 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 Newport last inspected?
Newport was last inspected on May 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.