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Located in Middlesex, Vermont, Wrightsville is a state-owned dam designed by the US Army Corps of Engineers to reduce flood risks in the area. Completed in 1935, this Earth-type dam stands at a height of 115 feet and spans 1525 feet along the North Branch Winooski River. With a storage capacity of 36,000 acre-feet and a surface area of 190 acres, Wrightsville serves multiple purposes including flood risk reduction, hydroelectric power generation, and recreational activities.
Despite its high hazard potential, Wrightsville is currently assessed to be in fair condition. The dam has not been modified in recent years and is inspected every five years to ensure its structural integrity. While there is no state regulation or permitting in place for this dam, the primary source agency responsible for its management is the state of Vermont. Proactive emergency preparedness measures such as an Emergency Action Plan (EAP) have not been updated or implemented, highlighting a potential area for improvement in risk management.
As a critical infrastructure in the region, Wrightsville plays a vital role in protecting the surrounding communities from flood events. With its historical significance and multifaceted use, the dam serves as a reminder of the importance of water resource management and climate resilience in Vermont. As climate change continues to impact the frequency and intensity of extreme weather events, the maintenance and upkeep of dams like Wrightsville will be crucial in safeguarding the local environment and infrastructure for future generations.
Year_Completed | 1935 |
Dam_Height | 115 |
River_Or_Stream | NORTH BRANCH WINOOSKI RIVER |
Dam_Length | 1525 |
Primary_Dam_Type | Earth |
Surface_Area | 190 |
Hydraulic_Height | 115 |
Drainage_Area | 68 |
Nid_Storage | 36000 |
Structural_Height | 115 |
Hazard_Potential | High |
Foundations | Rock, Soil |
Nid_Height | 115 |
WINOOSKI RIVER AT MONTPELIER | 2780cfs |
LEWIS CREEK AT NORTH FERRISBURG | 759cfs |
POPE BROOK (SITE W-3) NR. N. DANVILLE | 12cfs |
MAD RIVER NEAR MORETOWN | 1470cfs |
SLEEPERS RIVER (SITE W-5) NEAR ST. JOHNSBURY | 164cfs |
LITTLE RIVER NEAR WATERBURY | 601cfs |
LITTLE OTTER CREEK AT FERRISBURG | 583cfs |