Wachusett Reservoir is a large water supply reservoir located in central Massachusetts. It was created in the late 19th century to provide drinking water for the city of Boston and surrounding areas. The reservoir covers approximately 1,500 acres and has a capacity of about 65 billion gallons of water. The reservoir is surrounded by scenic landscapes and offers recreational opportunities such as hiking, fishing, and birdwatching. It is part of the MWRA (Massachusetts Water Resources Authority) system, which manages water resources for the region. The area is also home to various wildlife, making it a popular spot for nature enthusiasts.