105137 - US STEEL GARY COMPLEX: Primary Metal Facility in Gary, Indiana

105137 - US STEEL GARY COMPLEX is a primary metal facility located in Gary, Indiana, United States. As a steel production plant, it is a significant industrial operation in the Great Lakes region, contributing to the country's steel supply. The facility is classified under NAICS code 331111, which covers iron and steel mills. The facility operates under the regulatory framework of the United States 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. As a primary metal facility, it is subject to specific emission standards and permitting requirements. Steelmaking processes typically involve blast furnaces or electric arc furnaces, with associated emissions of particulate matter, sulfur dioxide, and greenhouse gases. The US STEEL GARY COMPLEX is one of the largest integrated steel mills in the United States, with a long history of operation. Its environmental significance includes potential impacts on local air quality and water resources, given the scale of production. The facility's proximity to Lake Michigan and urban areas necessitates robust environmental management to mitigate pollution and community exposure.

The facility is located in Gary, Indiana, an industrial city on the southern shore of Lake Michigan. The region has a history of heavy industry, including steel production, which has contributed to air and water pollution challenges. The local environmental context includes potential emissions of particulate matter, sulfur dioxide, and heavy metals from steelmaking processes. Community proximity to the plant raises concerns about exposure to industrial pollutants, particularly in nearby residential areas. Regulatory oversight by the US EPA and Indiana Department of Environmental Management aims to control these impacts through permits and monitoring.