US Steel Gary Complex - Primary Metal Facility in Gary, Indiana

The US Steel Gary Complex, located at 1 North Broadway in Gary, Indiana, is a major primary metal facility in the United States. As an operational integrated steel mill, it plays a central role in the domestic steel industry, producing raw steel from iron ore and coal. The facility's scale places it among the largest steelmaking operations in the country, with a substantial workforce and production capacity. Operating under the NAICS code 331111 (Iron and Steel Mills), the Gary Complex is subject to comprehensive US EPA regulations including the Clean Air Act, Clean Water Act, and Resource Conservation and Recovery Act. The facility must comply with National Pollutant Discharge Elimination System permits for water discharges and Title V air permits for emissions. As a primary metal plant, it utilizes blast furnaces and basic oxygen furnaces, with typical environmental controls such as baghouses and wastewater treatment systems. The environmental significance of the US Steel Gary Complex is notable due to its location near Lake Michigan and the city of Gary. The facility's operations contribute to local air emissions and water usage, requiring rigorous monitoring and community engagement. Its role in the regional economy and industrial supply chain underscores its importance, while ongoing regulatory compliance ensures management of its environmental footprint.

The US Steel Gary Complex is situated in an industrial area of Gary, Indiana, near the southern shore of Lake Michigan. The region has a history of heavy manufacturing, and the facility's steelmaking processes generate emissions of particulate matter, sulfur dioxide, and greenhouse gases. Proximity to residential communities necessitates careful management of air quality and water discharges. The facility operates under stringent US EPA regulations to mitigate its environmental impact, including controls on coke oven emissions and wastewater treatment.