Superfund Site Profile
The Schmalz Dump site is located in Harrison Township in Calumet County, Wisconsin. It covers three-quarters of an acre near the northern shore of Lake Winnebago. Unauthorized dumping occurred at the site from 1968 to 1979. The site formerly included wetland areas. In 1972 and 1973, fly ash and bottom ash from a utility company were disposed of on site. In 1978 and 1979, building demolition debris contaminated with polychlorinated biphenyls (PCBs) was disposed of on site. Following cleanup, operation and maintenance activities and monitoring are ongoing.