CALPORTLAND - STOCKTON EAST Cement Plant, Stockton, California

CALPORTLAND - STOCKTON EAST is a cement manufacturing facility located in Stockton, California, within San Joaquin County. The plant operates under NAICS code 327310, which covers cement manufacturing. As a cement plant, it is part of the broader industrial utilities sector, producing cement for construction and infrastructure projects. 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. Cement plants are typically subject to stringent emissions standards for particulate matter, nitrogen oxides, and sulfur dioxide, as well as requirements for hazardous waste management and water discharge permits. Cement production is energy-intensive and involves significant raw material extraction and processing. The plant's location in Stockton, near the San Joaquin River and the Port of Stockton, provides logistical advantages for raw material delivery and product distribution. The facility contributes to the regional economy and construction sector, while operating under environmental regulations to manage its emissions and waste.

Cement plants are significant sources of air pollutants, including particulate matter, nitrogen oxides, and sulfur dioxide, which can affect local air quality. The Stockton area experiences a Mediterranean climate with hot, dry summers and mild, wet winters, which can influence pollutant dispersion. Proximity to the San Joaquin River and agricultural lands means that water usage and runoff management are important. The facility's operations are subject to California's stringent environmental regulations, which often exceed federal standards.