CalPortland Company Rillito Plant - Cement Plant in Rillito, Arizona, USA

The CalPortland Company Rillito Plant is a cement manufacturing facility situated in Rillito, Pima County, Arizona. As a cement plant, it is part of the industrial utilities sector, producing cement for construction and infrastructure projects in the region. The facility is operational and classified under NAICS 327310, which covers cement manufacturing. The plant operates under the regulatory framework of the United States Environmental Protection Agency (EPA), including the Clean Air Act (CAA) for emissions, the Clean Water Act (CWA) for water discharges, and Resource Conservation and Recovery Act (RCRA) for waste management. Cement plants are subject to specific emission standards for particulate matter, nitrogen oxides, and sulfur dioxide, and may require Title V operating permits. The facility likely employs dry or wet process kilns, typical for cement production in the region. The Rillito Plant plays a significant role in the local economy by supplying cement for construction in Arizona. Its location near Tucson supports regional infrastructure development. Environmental considerations include potential emissions from kiln operations and quarrying activities, which are regulated under EPA programs. The plant's operational status indicates ongoing contribution to the industrial utility landscape.

Cement plants like CalPortland Rillito are significant sources of air emissions, including particulate matter, nitrogen oxides, sulfur dioxide, and carbon dioxide. The facility is located in the Sonoran Desert region of Arizona, where water scarcity is a concern. Operations may impact local air quality and require compliance with EPA's National Ambient Air Quality Standards. Proximity to residential areas in Rillito and Tucson necessitates community engagement and adherence to environmental regulations.