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GREEN RIVER DAM

RESERVOIR LEVELS
Rock Dam Green River
April 23, 2025


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The Green River Dam in Vermont stands as a testament to sustainable hydroelectric power generation and recreational opportunities. Completed in 1947, this arch-type dam reaches a height of 105 feet and spans 360 feet in length, with a storage capacity of 16,900 acre-feet. Situated on the Green River in Lamoille County, the dam is owned and regulated by the local government, with oversight from the Federal Energy Regulatory Commission.

With a hazard potential rated as high and a moderate risk assessment, the Green River Dam is a critical piece of infrastructure that requires regular inspection and maintenance. While it currently does not have a condition assessment available, emergency action plans have been prepared to ensure the safety of the surrounding community in case of a dam failure. The dam's uncontrolled spillway and rock foundation contribute to its structural integrity and ability to withstand high discharge levels.

For water resource and climate enthusiasts, the Green River Dam serves as a beacon of sustainable energy production and environmental stewardship. Its dual purposes of hydroelectric power generation and recreation highlight the importance of balancing human needs with environmental conservation. As a key feature in the New England District, this dam plays a vital role in meeting the region's energy demands while providing opportunities for outdoor activities in the scenic surroundings of Morrisville.

Year_Completed 1947
Dam_Height 105
River_Or_Stream Green River
Dam_Length 360
Primary_Dam_Type Arch
Surface_Area 625
Drainage_Area 14.6
Nid_Storage 16900
Hazard_Potential High
Foundations Rock
Nid_Height 105
       

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