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5. Ashland/Northern States Power Lakefront

ASHLAND, WI

Ashland/Northern States Power Lakefront is a former manufactured gas plant open from 1845-1947. Contaminants found include tar, oil and other waste consisting of polyaromatic hydrocarbons, volatile organic compounds and metals. Soil, groundwater and an adjacent residential area are heavily contaminated.

4. Schroud Property

CHICAGO, IL

Schroud Property is 67 acres in size and was used to store and dump slag material from Steel manufacturing between 1951 and 1977. Soil and waste at the property and in nearby Indian Creek are contaminated with lead, chromium and other inorganic compounds.

3. Bofors Nobel

MUSKEGON, MI

The 85-acre Bofors Nobel site includes a former chemical production facility and 10 abandoned unlined sludge lagoons. Starting around 1960 the facility made alcohol-based detergents, saccharin, pesticides, herbicides and dye. The soil and groundwater is contaminated with chemicals

2. McLouth Steel

TRENTON, MI

The McLouth Steel facility operated from 1950 to 1995. On site there were thousands of drums containing hazardous waste, asbestos, mercury, polychlorinated biphenyls and 23 sludge lagoons. It is one of the most contaminated sites in the entire USA.

1. Mill Creek Dump

ERIE, PA

Mill Creek Dump was a former freshwater wetland that was used as a dump for foundry sands, solvents, oils and industrial wastes. Groundwater and soil is contaminated with high levels of polycyclic aromatic hydrocarbons, polychlorinated biphenyls and heavy metals.