HVA is working throughout the 2000 square mile Housatonic watershed through to protect land, combat polluted stormwater runoff, improve aquatic connectivity and support best management practices for the health of the communities, land and waters within the Housatonic watershed which includes 2,000 square miles of land stretching from western Massachusetts through western Connecticut and eastern New York to Long Island Sound. HVA’s offices are located in Cornwall Bridge, Connecticut; Stockbridge, Massachusetts; and Wassaic, New York.