GRASSE RIVER

The Grasse River is in northern New York State and flows through the Town of Massena before entering the St. Lawrence River. Since 1903, Alcoa has owned and operated a 2,700-acre aluminum smelting and fabricating facility (known as Massena West) situated where the Massena Power Canal and the Grasse River meet. In November 2016 Alcoa successfully separated into two companies - Alcoa Corp. and Arconic. Upon separation, the Massena West forgings and extrusions operation became part of Arconic, which assumed responsibility for the Grasse River remediation project under the ROD issued by USEPA... The Massena Power Canal, which connects the St. Lawrence Seaway to the lower Grasse River, and associated powerhouse were constructed in the early 1900s to provide hydroelectric power to the local community and to the "new" aluminum smelting facility. Shortly after its construction, the lower Grasse River was widened and deepened to accommodate the additional flow being diverted from the St...

Also known as: The Grasse River

Primary location: New Kensington United States