ST MARYS CEMENT - Cement Plant in Detroit, Michigan, United States

ST MARYS CEMENT is a cement manufacturing facility located at 9333 Dearborn St, Detroit, Michigan, in Wayne County. The plant is operational and classified under NAICS 327310 for cement manufacturing. As a cement plant, it produces clinker and cement products for construction and infrastructure projects in the Midwest and Great Lakes region. The facility operates under the regulatory framework of the US Environmental Protection Agency (EPA), including the Clean Air Act (CAA) for emissions of particulate matter, nitrogen oxides, and sulfur dioxide, and the Clean Water Act (CWA) for process water discharge. Cement plants in the US are subject to New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for the cement sector. The plant's scale is typical for a large industrial cement facility in the region. Cement production is energy-intensive and generates significant CO2 emissions from calcination and fuel combustion. The plant's location in an industrial area of Detroit near the Detroit River and residential communities requires compliance with local air quality regulations and community right-to-know reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA). The facility contributes to the regional construction supply chain and local economy.

Cement plants are significant sources of air pollutants including particulate matter, nitrogen oxides, sulfur dioxide, and carbon dioxide. The facility's location in Detroit, Michigan, near the Detroit River and residential areas, necessitates stringent air quality management and water discharge controls under the Clean Air Act and Clean Water Act. The plant's operations are subject to EPA's National Emission Standards for Hazardous Air Pollutants (NESHAP) for the cement sector, and it must report toxic releases under the Toxics Release Inventory (TRI) program.