Woodside, also known as the Hyde Park Dam, is a private-owned structure located in East Johnson, Vermont along the Gihon River. Built in 1895, this gravity dam stands at a height of 22 feet and has a length of 156 feet, with a primary purpose of generating hydroelectric power. The dam has a storage capacity of 60 acre-feet and a maximum discharge of 927 cubic feet per second, making it a significant contributor to the region's energy production.

Managed by the Federal Energy Regulatory Commission, Woodside has a low hazard potential and is categorized as having a moderate risk level. While it is not state regulated, it falls under federal oversight for operations, inspections, and regulatory compliance. The dam's spillway is uncontrolled, with a width of 34 feet, and it is situated within the New England District of the US Army Corps of Engineers. With its historical significance and role in renewable energy generation, Woodside serves as a notable feature in Vermont's water resource infrastructure.

Overall, Woodside represents a blend of historical significance and modern functionality, playing a crucial role in the region's energy landscape. As a privately-owned hydroelectric facility, it stands as a testament to the state's commitment to sustainable energy practices. With its controlled water storage and discharge capabilities, Woodside contributes to the efficient management of the Gihon River while providing renewable energy to the local community.