E R Carpenter Co Inc Stormwater Outfall, Fort Smith, Arkansas | Industrial Stormwater Management

E R Carpenter Co Inc is a stormwater outfall located at 201 N. 2nd Street in Fort Smith, Arkansas, within Sebastian County. The facility is operational and manages stormwater discharge from industrial activities, classified under NAICS codes 311615 (Poultry Processing) and 326150 (Urethane and Other Foam Product Manufacturing). As a stormwater outfall, it is part of the broader municipal separate storm sewer system (MS4) in Fort Smith, which is regulated under the Clean Water Act. The facility operates under the US EPA NPDES MS4 permit framework, which requires stormwater discharges to be managed to protect water quality. In Arkansas, the Department of Energy and Environment - Division of Environmental Quality oversees compliance. The outfall likely serves an industrial catchment, handling runoff from manufacturing and processing areas. Typical stormwater management includes best management practices (BMPs) such as detention basins, oil-water separators, and sediment controls. The environmental significance of this outfall lies in its potential impact on receiving waters in the Arkansas River basin. Stormwater runoff from industrial sites can carry pollutants like heavy metals, oils, and organic matter. Proper management is essential to prevent degradation of local water bodies. The facility's location in an urban-industrial area underscores the importance of regulatory compliance to mitigate stormwater pollution.

Fort Smith is situated in the Arkansas River Valley, with the Arkansas River flowing nearby. The region experiences a humid subtropical climate with significant rainfall, leading to substantial stormwater runoff. Industrial stormwater discharges can introduce pollutants such as suspended solids, nutrients, and chemicals into local waterways. The Arkansas River is a major water resource, and maintaining its water quality is critical for ecological health and downstream uses. Regulatory oversight under the Clean Water Act and state MS4 permits aims to control these discharges through pollution prevention plans and monitoring.