Nucor Steel Marion, Inc. - Primary Metal Facility in Marion, Ohio

Nucor Steel Marion, Inc. is a primary metal facility located at 912 Cheney Avenue in Marion, Ohio, United States. The plant is operational and classified under NAICS codes 331110 (Iron and Steel Mills) and 331111 (Steel Foundries), indicating its role in steel manufacturing. As a steel mill, the facility operates under the US Environmental Protection Agency's multi-media regulatory framework, including the Clean Air Act (CAA), Clean Water Act (CWA), Resource Conservation and Recovery Act (RCRA), and Toxics Release Inventory (TRI) Section 313 reporting. The plant likely uses electric arc furnace (EAF) technology, which is common for steel recycling and production in the United States. The facility's environmental significance stems from its steel production processes, which generate emissions of particulate matter, greenhouse gases, and metal-containing wastes. Its location in Marion, Ohio, places it within an industrial region with proximity to communities, necessitating robust environmental management and compliance with state and federal permits.

The facility is situated in Marion, Ohio, a region with a mix of industrial and agricultural land use. Steel production at this plant involves high-temperature processes that emit air pollutants such as particulate matter, nitrogen oxides, and carbon monoxide. Water usage for cooling and process operations may require discharge permits under the Clean Water Act. The plant's proximity to residential areas underscores the importance of monitoring fugitive emissions and managing solid wastes like slag and dust under RCRA.