AK Steel Corp Hamilton Plant - Primary Metal Facility in Hamilton, Ohio

AK Steel Corp Hamilton Plant is a primary metal facility located at 401 Augspurger Road in Hamilton, Ohio. As a steel production site, it operates under NAICS code 331111, which covers iron and steel mills. The facility is situated in Butler County and is part of the broader U.S. industrial landscape, serving the steel supply chain. The plant operates under the U.S. 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. As a primary metal facility, it is subject to emissions limits for criteria pollutants and hazardous air pollutants, as well as wastewater discharge permits under the National Pollutant Discharge Elimination System (NPDES). The facility's scale is typical of integrated steel mills in the region, with significant production capacity. Environmentally, the Hamilton Plant plays a key role in the local industrial economy but also faces regulatory scrutiny due to the inherent pollution intensity of steelmaking. Primary processes such as ironmaking and steelmaking generate emissions of particulate matter, sulfur dioxide, and greenhouse gases. The facility's proximity to the community of Hamilton necessitates robust environmental management and compliance with state and federal regulations to minimize local impacts.

The Hamilton area has a history of industrial activity, with steel production being a major contributor to local air and water emissions. The plant's location near the Great Miami River raises considerations for water quality under the Clean Water Act. Community proximity means that air quality monitoring and risk management are critical, especially for particulate matter and heavy metals associated with steelmaking.