Port commissioners voted in 2004 to purchase the 700-acre site in Troutdale, which represented the largest remaining zoned industrial property within the urban growth boundary. It was the home of an aluminum smelter for 60 years, but it had been idled since the summer of 2002. The property was a Superfund site, and remediation to industrial standards was completed by Alcoa in 2006. The redevelopment effort has involved the U.S. Environmental Protection Agency, the Oregon Department of Environmental Quality, Business Oregon and the Cities of Troutdale and Fairview