Northwestern States Portland Cement Co.

Superfund site in Mason City, IA · EPA ID IAD980852461

Northwestern States Portland Cement Co. is a Superfund site in Mason City, IA on the EPA National Priorities List (Deleted from the Final NPL). Contaminants of concern include ANTIMONY, ARSENIC, CADMIUM, CEMENT KILN DUST. At Northwestern States Portland Cement Co., the EPA has determined that human exposure is under control.

EPA status

National Priorities List
Deleted from the Final NPL
Human exposure under control
Yes
Groundwater migration under control
Yes
Construction complete
Yes
Sitewide ready for reuse
Yes
Federal facility
No
EPA region
07
County
Cerro Gordo

Contaminants of concern

Grouped by the environmental medium in which the EPA recorded them.

Groundwater

  • Antimony
  • Arsenic
  • Cadmium
  • Cement Kiln Dust
  • Chromium Compounds
  • Copper
  • Lead
  • Mercury
  • Nickel
  • Phenol
  • Zinc

Surface Water

  • Arsenic
  • Cadmium
  • Chromium Compounds
  • Copper
  • Lead
  • Nickel
  • Phenol
  • Zinc

Location

1840 N Federal Ave, Mason City, IA 50401

Latitude 43.175, longitude -93.205

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