BUTTERFIELD LOCOMOTIVE FACILITY Stormwater Outfall, Butterfield, Arkansas

BUTTERFIELD LOCOMOTIVE FACILITY is a stormwater outfall located in Butterfield, Hot Spring County, Arkansas, United States. As a stormwater outfall, it discharges stormwater runoff from the locomotive facility into local waterways, operating under the regulatory oversight of the US EPA's National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) program. The facility's NAICS code 482112 indicates it is associated with rail transportation, suggesting the catchment area includes industrial activities typical of locomotive maintenance and operations. Stormwater management at such facilities focuses on controlling pollutants like oil, grease, heavy metals, and sediments that can accumulate on impervious surfaces. The facility likely employs best management practices (BMPs) such as detention basins, oil-water separators, or filtration systems to treat runoff before discharge. Located in the Ouachita River basin, the facility's discharge may affect local water quality and aquatic habitats. Compliance with the Clean Water Act and Arkansas Department of Energy and Environment regulations is critical to prevent degradation of receiving waters. The facility's role in managing industrial stormwater contributes to the broader environmental health of the region.

The facility is situated in the Ouachita River watershed, which supports diverse aquatic ecosystems. Stormwater runoff from industrial sites like locomotive facilities can carry pollutants such as hydrocarbons, heavy metals, and suspended solids. Effective management is essential to protect water quality and aquatic life in receiving streams, especially given the potential for cumulative impacts from multiple discharges in the region.