SIMPSON'S AUTO SALES, INC Stormwater Outfall - Carlisle, Arkansas

SIMPSON'S AUTO SALES, INC operates as a stormwater outfall located at 302 Wagon Wheel Rd in Carlisle, Arkansas. This facility manages stormwater runoff from an auto sales property, discharging into local waterways within the Lonoke County area. As a small-scale commercial stormwater outfall, it falls under the regulatory oversight of the US EPA's National Pollutant Discharge Elimination System (NPDES) program, specifically the Phase II MS4 general permit for small municipalities and industrial sites. The facility's stormwater management involves controlling runoff from impervious surfaces typical of auto sales operations, such as parking lots and vehicle storage areas. Under the Clean Water Act, such outfalls must implement best management practices (BMPs) to reduce pollutant loads, including sediment, oil, and grease. The Arkansas Department of Energy and Environment - Division of Environmental Quality oversees compliance with state stormwater permits. As a commercial stormwater outfall in the Mississippi River basin, the facility contributes to local flood control and water quality protection. Proper management helps prevent contamination of receiving waters, which may include streams feeding into the Arkansas River. The site's operational status indicates ongoing compliance with stormwater regulations, supporting community and environmental health in Carlisle.

Carlisle, Arkansas lies within the Lower Mississippi River Basin, a region characterized by agricultural and urban runoff challenges. Stormwater from commercial sites like auto sales can carry pollutants such as hydrocarbons, heavy metals, and sediment. The facility's discharge may affect local water bodies, including those listed as impaired under the Clean Water Act. Regulatory compliance with NPDES MS4 permits is critical to minimize impacts on aquatic ecosystems and downstream water quality.