NLMK INDIANA - Primary Metal Facility in Portage, Indiana

NLMK INDIANA is a primary metal facility located at 6500 S. Boundary Road in Portage, Indiana, within Porter County. The plant operates in the steel sector, with NAICS codes covering iron and steel mills and ferroalloy manufacturing. As part of the NLMK Group, it is a significant industrial facility in the region. The facility operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA), including the Clean Air Act (CAA), Clean Water Act (CWA), Resource Conservation and Recovery Act (RCRA), and Toxics Release Inventory (TRI) Section 313 reporting. Steel production involves energy-intensive processes such as blast furnaces or electric arc furnaces, with emissions of particulate matter, sulfur dioxide, and greenhouse gases. The plant's scale is typical of a large integrated steel mill. NLMK INDIANA plays a key role in the regional industrial supply chain, providing steel products for automotive, construction, and manufacturing sectors. Its location near Lake Michigan and transportation infrastructure supports its operations. The facility's environmental impact is managed through permits and compliance with state and federal regulations.

The facility is situated in Portage, Indiana, near the southern shore of Lake Michigan. The region has a history of heavy industry, including steel production and refining. Proximity to residential areas and water bodies requires careful management of air emissions and wastewater discharges. The local environmental context includes potential impacts from particulate matter and heavy metals, typical of primary metal facilities.