ROCKTON, Ill. (WIFR) -- After decades of cleanup, the Environmental Protection Agency reports it has finished removing a 20-acre area of the Beloit Corp. Superfund.
The site's former research center will now be removed from the EPA's national priorities list of the most contaminated places in the United States.
Beloit Corp. Superfund, formerly located at 1155 Prairie Hill Rd., manufactured paper-making equipment and operated a research center on the property from 1957 to 1999.
According to the EPA, the site was place on the national priorities list in 1990, when the organization discovered activities contaminated soil and groundwater in the area.
The EPA says it the site will require ongoing maintenance and monitoring.
Since October 2017, the EPA has deleted 18 sites completely and four sites partially from the national priorities list.