Middlebury Lower
Key Takeaway
Middlebury Lower is classified as low hazard in Vermont. It was completed in 1917 and is 109 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 15 ft (taller than 34.8% in VT) |
| Dam Length | 350 ft |
| Dam Type | Concrete |
| Max Storage | 160 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 629 sq mi |
| Year Completed | 1917 (109 years old) |
| NID ID | VT00194 |
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
Nearby Dams
Middlebury Industrial Park
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Low Hazard 34 ftWeybridge East
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Low Hazard 30 ftDow Pond
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Significant Hazard 15 ftNorton Brook
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Middlebury Lower?
Middlebury Lower 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 Middlebury Lower?
Middlebury Lower is owned by GREEN MOUNTAIN POWER CORP (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Middlebury Lower built?
Middlebury Lower was completed in 1917, making it 109 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 Middlebury Lower?
Middlebury Lower 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 Middlebury Lower?
Middlebury Lower 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 Middlebury Lower last inspected?
Middlebury Lower was last inspected on August 15, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.