Nut Island is a former island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in Boston Harbor

Boston Harbor

Boston Harbor is a natural harbor and estuary of Massachusetts Bay, and is located adjacent to the city of Boston, Massachusetts. It is home to the Port of Boston, a major shipping facility in the northeast.-History:...

, part of the Boston Harbor Islands National Recreation Area

Boston Harbor Islands National Recreation Area

The Boston Harbor Islands National Recreation Area is a National Recreation Area situated among the islands of Boston Harbor of Boston, Massachusetts. The area is made up of a collection of islands, together with a former island and a peninsula, many of which are open for public recreation and some...

. The island has been connected through a short causeway to the end of Houghs Neck, becoming part of the mainland of Quincy, Massachusetts

Quincy, Massachusetts

Quincy is a city in Norfolk County, Massachusetts, United States. Its nicknames are "City of Presidents", "City of Legends", and "Birthplace of the American Dream". As a major part of Metropolitan Boston, Quincy is a member of Boston's Inner Core Committee for the Metropolitan Area Planning Council...

.

There are recreational trails, benches, remnants of a history cannon, and a fishing pier on the small island. The only building on the island is a Massachusetts Water Resources Authority

Massachusetts Water Resources Authority

The Massachusetts Water Resources Authority is a public authority in the Commonwealth of Massachusetts that provides wholesale drinking water and sewage services to certain municipalities and industrial users in the state, primarily in the Boston area.The authority receives water from the Quabbin...

 sewage treatment plant, which screens out grit and large objects before pumping sewage from the south side of the system to the central processing facility at Deer Island

Deer Island (Massachusetts)

Deer Island is a peninsula in Boston Harbor, Massachusetts. Since 1996 it is part of the Boston Harbor Islands National Recreation Area. Although still an island by name, Deer Island has been connected to the mainland since the former Shirley Gut channel, which once separated the island from the...

 through a deep-bore tunnel. The Nut Island effect

Nut Island effect

The Nut Island effect describes a human resources condition in which a team of skilled employees becomes isolated from distracted top managers resulting in a catastrophic loss of the ability of the team to perform an important mission. The term was coined by Paul F. Levy, a former Massachusetts...

is named after this plant, which experienced management problems in the 1980s.