Ecological Services: Environmental Contaminants Program

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Environmental Contaminants Program in the Upper Midwest

Focusing on resource management, we use sound science to help ensure that land use and regulatory decisions minimize the impacts of environmental contaminants on fish and wildlife.


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Making Polluters in Missouri Pay


A 1993 image of the Magmont Mine in its full operational capacity.

The Magmont Mine and Mill produced lead, zinc and copper concentrates. Mine operators stored waste products in an onsite impoundment that covered more than 300 acres.

Photos by Bureau of Land Management



Staff at the Columbia, MO Ecological Services Field Office of the U.S. Fish and Wildlife Service and their co-Ttrustees at the Missouri Department of Natural Resources and the U.S. Forest Service have jointly achieved settlement with the owners of a former metals mining operation in southeast Missouri for injury to natural resources. The Trustees for Natural Resource Damage Assessment and Restoration have negotiated a settlement agreement for the sum of $1.4 million with Teck American, Inc. and DII Industries, LLC, to resolve the two companies’ liabilities for releases of hazardous substances from the Magmont Mine and Mill site near Bixby, MO.


The Magmont Mine and Mill were opened in 1968 near the town of Bixby by a joint venture between the corporate predecessors of Tech American, Inc., and DII Industries, LLC. The mine and mill produced lead, zinc and copper concentrates using a fully mechanized room and pillar mining technique. Waste products from the milling process were stored in a valley fill tailings impoundment onsite covering more than 300 acres. The impoundments permanently covered portions of Neals Creek, a tributary of the Black River. The mine and mill were closed in 1994 and initial reclamation of the tailings impoundment occurred in the late 1990s.




Southeast Missouri Lead Minind District NRDA




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Last updated: October 1, 2014