The Connecticut River watershed is a large area of land where all the rain and snowmelt flow into the Connecticut River. This watershed covers parts of four states: New Hampshire, Vermont, Massachusetts, and Connecticut. It plays a crucial role in the local ecosystem, providing habitats for various plants and animals. The watershed spans approximately 11,000 square miles and includes numerous tributaries that feed into the river. It is vital for drinking water, agriculture, and recreation for the communities along its banks. The health of the watershed is essential for maintaining water quality and supporting biodiversity.