The land in Lower Manhattan upon which it stands was created by land reclamation on the Hudson River using over 3 million cubic yards of soil and rock excavated during the construction of the World Trade Center , the New York City Water Tunnel , and certain other construction projects , as well as from sand dredged from New York Harbor off Staten Island .
The land upon which it stands was created on the Hudson River using 1.2 million cubic yards ( 917,000 m3 ) of dirt and rocks excavated during the construction of the World Trade Center and certain other construction projects , as well as from sand dredged from New York Harbor off Staten Island .