EPA Begins Removing PCBs from Trowbridge Dam Site in Kalamazoo, Michigan

EPA Begins Removing PCBs from Trowbridge Dam Site in Kalamazoo, Michigan

April 8, 2025

This week, U.S. Environmental Protection Agency starts cleaning up soil and sediment contaminated with polychlorinated biphenyls - or PCBs - along the Kalamazoo River near the Trowbridge Dam in Allegan, Michigan.

Under EPA oversight, responsible party NCR Voyix is working with Michigan Department of Natural Resources and Michigan Department of Environment, Great Lakes and Energy on the multi-year cleanup to prevent future contamination and erosion and improve water quality and fish health in the Kalamazoo River. The Trowbridge Dam cleanup is part of the larger Kalamazoo River Superfund Site.

A dredging barge will pump sediments for processing at a newly constructed area off 108th Avenue downstream of the 26th Street bridge. NCR Voyix will build a temporary structure onsite to manage river levels until the cleanup is expected to be finished in three years (see figures 1 and 2). EPA will conduct air and water monitoring around the site perimeter during the cleanup.

Certain access points near boat launches are restricted. EPA advises residents to adhere to signs and buoys placed along the river to restrict access (see figure 3). To enter and exit the river, residents should use upstream access areas.

For more information, please visit the Trowbridge Dam website.

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