Weyerhaeuser Co Pulp and Paper Mill, Mountain Pine, Arkansas | Industrial Utilities

Weyerhaeuser Co is a pulp and paper facility located in Mountain Pine, Garland County, Arkansas, United States. The plant is operational and classified under NAICS code 321212, which covers paper mills. As part of the larger Weyerhaeuser company, this facility contributes to the production of pulp and paper products, serving both domestic and international markets. The facility operates under the regulatory framework of the United States Environmental Protection Agency (EPA), which enforces the Clean Air Act (CAA), Clean Water Act (CWA), and Resource Conservation and Recovery Act (RCRA). Pulp and paper mills are subject to specific effluent guidelines and air emission standards, including the Cluster Rules that address both air and water pollution. The plant likely uses chemical pulping processes, such as kraft or sulfite, which generate significant wastewater and air emissions. This facility plays a significant role in the local economy of Mountain Pine and the broader Arkansas region. The pulp and paper industry is a major employer and economic driver in the area. Environmentally, the plant must manage its discharges to the nearby Lake Ouachita watershed, requiring robust treatment systems to meet EPA standards. The facility's operational status indicates ongoing compliance with environmental permits.

The facility is situated in the Ouachita Mountains region, near Lake Ouachita, a large reservoir known for recreation and water supply. Pulp and paper mills are water-intensive and generate high-strength wastewater containing organic compounds, solids, and potentially chlorinated compounds. Air emissions include particulate matter, sulfur compounds, and volatile organic compounds. Proximity to water bodies necessitates stringent wastewater treatment to protect aquatic ecosystems. The area's forested landscape supports the wood supply for the mill, but also means that community and ecological receptors are nearby.