Overview
ARKANSAS AND MISSOURI RAILROAD CO. is an operational stormwater outfall in Fort Smith, Arkansas, regulated under the US EPA NPDES MS4 program. It serves an industrial catchment associated with railroad operations.
ARKANSAS AND MISSOURI RAILROAD CO. operates a stormwater outfall facility located at 1301 North 4th Street in Fort Smith, Sebastian County, Arkansas. This facility is part of the stormwater management infrastructure for railroad operations, classified under NAICS code 482111 (Line-Haul Railroads). As a stormwater outfall, it discharges runoff from industrial and rail yard areas into local waterways. The facility operates under the regulatory framework of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits. In Arkansas, stormwater discharges from industrial activities are typically covered by NPDES industrial stormwater permits, which require implementation of Stormwater Pollution Prevention Plans (SWPPPs) and best management practices to control pollutants. The facility's location in an urban-industrial area of Fort Smith means it likely handles runoff from impervious surfaces and potential contaminants typical of railroad operations, such as fuels, lubricants, and heavy metals. As part of the stormwater infrastructure in Fort Smith, this outfall contributes to managing runoff volume and quality in the Arkansas River watershed. Proper operation helps reduce the risk of localized flooding and protects water quality in receiving water bodies. The facility's compliance with NPDES permit conditions is essential for minimizing environmental impacts from industrial stormwater discharges.
Environmental context
The facility discharges stormwater from an industrial railroad catchment in Fort Smith, Arkansas, which flows into the Arkansas River watershed. Urban and industrial runoff can carry pollutants such as sediment, oil, grease, and heavy metals. The Arkansas River is a major waterway that supports aquatic life and downstream uses, making stormwater management critical for water quality protection. The facility operates under NPDES permit requirements that mandate pollution prevention measures to mitigate these impacts.
Frequently asked questions
The stormwater outfall is located at 1301 North 4th Street in Fort Smith, Sebastian County, Arkansas, United States.
It is a stormwater outfall facility associated with line-haul railroad operations, classified under NAICS code 482111.
The facility is regulated under the US Clean Water Act's NPDES program, likely under an industrial stormwater permit requiring a Stormwater Pollution Prevention Plan (SWPPP) and best management practices.
Common pollutants from railroad operations include sediment, oil and grease, fuels, lubricants, heavy metals, and other materials from maintenance activities and rolling stock.
It manages runoff from the railroad yard and industrial area, helping to control flooding and reduce pollutant loads before discharge into the Arkansas River watershed.
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