Great Falls, also known as Lyndonville Dam, is a captivating hydroelectric structure located in St Johnsbury Center, Vermont. Completed in 1915, this concrete gravity dam stands at an impressive height of 32 feet and stretches 160 feet in length, harnessing the power of the Passumpsic River to generate electricity. With a storage capacity of 135 acre-feet and a maximum discharge of 4500 cubic feet per second, Great Falls plays a crucial role in the local water resource management system.

Managed by the Federal Energy Regulatory Commission, Great Falls boasts a low hazard potential and a moderate risk rating, making it a reliable source of renewable energy for the region. Despite its age, the dam's condition assessment is not available, highlighting the need for ongoing monitoring and maintenance to ensure its continued safety and functionality. While not currently regulated by the state, Great Falls serves as a testament to the enduring importance of hydroelectric power in the face of climate change and shifting energy needs.

As a key player in Vermont's energy landscape, Great Falls remains a symbol of sustainable development and innovation in the realm of water resource management. Its historic significance, coupled with its modern operational capabilities, positions it as a vital asset for both local communities and environmental enthusiasts alike, showcasing the power of harnessing natural resources for the greater good.