MI Attorney General Nessel files complaint against two Wixom-based automotive suppliers for air, water pollution violations

Published Date: Jun 13, 2025

MI Attorney General Dana Nessel filed a complaint in the 30th Circuit Court in Ingham County against Tribar Technologies, Inc. and Adept Plastic Finishing, Inc. for allegedly violating the Natural Resources and Environmental Protection Act (NREPA). The complaint alleges multiple violations of Part 31, Water Resource Protection, and Part 55, Air Pollution Control, of NREPA, including the 2022 discharge of hexavalent chromium, a highly toxic chemical, from a chrome-planting facility into the Huron River through the Wixom Wastewater Treatment Plant. The complaint also alleges failures by the automotive suppliers to comply with permitting requirements, including repeated violations of water and air pollution standards. While the companies have shut down the facilities, the complaint alleges perfluorooctane sulfonate-laden stormwater continues to discharge from two of the Wixom sites. “Michigan’s environmental laws exist to protect the air we breathe and the water we use from toxic chemicals. When companies cut corners or violate these protections, my office will use every tool available to hold them accountable and ensure proper cleanup and compliance.” – AG Nessel

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