Dragon Products Co - Thomaston Cement Plant, Maine, USA

Dragon Products Co in Thomaston, Maine, is an operational cement plant located at 107 New County Road (US Rte 1) in Knox County. The facility produces cement and ready-mix concrete, classified under NAICS codes 327310 and 327320. As a cement plant, it is a medium-to-large scale industrial facility typical of the sector in the United States. The facility operates under the regulatory framework of the US Environmental Protection Agency, including the Clean Air Act (CAA), Clean Water Act (CWA), Resource Conservation and Recovery Act (RCRA), and TRI Section 313 reporting. Cement plants are subject to National Emission Standards for Hazardous Air Pollutants (NESHAP) and New Source Performance Standards (NSPS). The plant's operations involve raw material handling, kiln operations, and clinker production, which are typical for the sector. Cement production is energy-intensive and generates significant CO2 emissions from calcination and fuel combustion. The plant serves the local construction industry in mid-coast Maine. Its location near Thomaston and the St. George River estuary requires careful management of air emissions and stormwater runoff to minimize environmental impact.

The facility is located in Thomaston, Maine, a coastal town near the St. George River estuary. Cement plants are significant sources of particulate matter, nitrogen oxides, sulfur dioxide, and carbon dioxide. The local environment includes sensitive aquatic habitats and residential areas, making air quality and water discharge management critical. The plant's proximity to the estuary necessitates compliance with Clean Water Act permits to protect water quality.