SNOFLO
 


GORGE NO. 18

RESERVOIR LEVELS
Rock Dam Winooski River
May 9, 2025


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Gorge No. 18, located in South Burlington, Vermont, along the Winooski River, is a concrete hydroelectric dam completed in 1914 with a height of 46 feet and a length of 350 feet. This dam serves as a crucial structure for generating hydroelectric power in the region, with a storage capacity of 1690 acre-feet and a surface area of 87 acres. Despite its age, this dam has a low hazard potential and has not been rated for its condition assessment as of yet.

Owned and operated by a public utility, Gorge No. 18 is under state jurisdiction in Vermont and is not regulated by the state regulatory agency. The dam has not undergone any recent inspections since May 1984, and there is no Emergency Action Plan (EAP) in place for this structure. With its multi-arch core type and rock foundation, this dam plays a vital role in water resource management and climate resilience efforts in the area, contributing to the overall sustainability of the region's energy infrastructure.

As a significant contributor to the renewable energy sector, Gorge No. 18 represents a piece of Vermont's hydroelectric infrastructure with a rich history dating back over a century. Its presence along the Winooski River highlights the importance of balancing energy needs with environmental conservation, as the dam continues to provide clean, reliable power while also posing minimal risk to the surrounding community. With ongoing monitoring and potential updates to its emergency preparedness measures, Gorge No. 18 serves as a key asset for water resource and climate enthusiasts interested in sustainable energy solutions and infrastructure resilience.

Year_Completed 1914
Dam_Height 46
River_Or_Stream WINOOSKI RIVER
Dam_Length 350
Primary_Dam_Type Concrete
Surface_Area 87
Hydraulic_Height 46
Drainage_Area 1080
Nid_Storage 1690
Structural_Height 46
Hazard_Potential Low
Foundations Rock
Nid_Height 46
       

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