Lewiston is a state-owned hydroelectric dam located in Niagara, New York, along the Niagara River. Completed in 1963, this concrete gravity dam stands at a height of 155 feet and has a storage capacity of 76,000 acre-feet. Operated by the Federal Energy Regulatory Commission, Lewiston serves as a vital source of renewable energy in the region, harnessing the power of the river to generate electricity.

With a high hazard potential and risk assessment rating of 2, Lewiston is closely monitored and inspected by federal regulators to ensure its structural integrity and safety. Despite its age, the dam continues to play a key role in water resource management and climate resilience efforts in the area. As part of the Buffalo District, Lewiston contributes to the overall hydroelectric infrastructure in New York, providing clean energy and flood control benefits to the surrounding communities.

As a multi-arch dam with a length of 975 feet, Lewiston exemplifies the innovative engineering and sustainable practices that are essential for effective water resource management. With its high hazard potential and significant storage capacity, this hydroelectric facility underscores the importance of proper maintenance and risk management measures in safeguarding our water resources and mitigating the impacts of climate change. Lewiston stands as a testament to the critical role that hydroelectric infrastructure plays in promoting sustainability and resilience in the face of evolving environmental challenges.