ALPINE SILICA, LLC - RIVER RIDGE RANCH Stormwater Outfall, Doddridge, Arkansas

ALPINE SILICA, LLC - RIVER RIDGE RANCH is a stormwater outfall located at 2561 Miller County 4 in Doddridge, Arkansas, within Miller County. The facility is operational and falls under the industrial sector, specifically industrial sand mining (NAICS 212322). As a stormwater outfall, it manages runoff from the River Ridge Ranch site, contributing to local water management in the region. The facility operates under the U.S. EPA's National Pollutant Discharge Elimination System (NPDES) permitting framework, which regulates stormwater discharges from industrial activities. Given its classification as an industrial stormwater outfall, it is subject to requirements under the Clean Water Act, including the development and implementation of a Stormwater Pollution Prevention Plan (SWPPP) to minimize pollutant runoff. The facility's scale is typical for a mining operation in Arkansas, where industrial sand extraction is a notable economic activity. Environmental significance lies in its role in managing stormwater runoff from industrial sand mining operations, which can impact local water quality if not properly controlled. The facility's location in Miller County, near the Red River basin, underscores the importance of effective stormwater management to protect downstream water bodies. Compliance with NPDES permit conditions is critical to minimizing environmental impacts from sediment and other pollutants associated with mining activities.

The facility is situated in Miller County, Arkansas, within the Red River watershed. Industrial sand mining operations can generate stormwater runoff containing sediment and other pollutants, which may affect local water quality if not adequately managed. The region's climate, with periodic heavy rainfall, increases the potential for runoff events. Effective stormwater control measures are essential to protect the ecological health of nearby water bodies and comply with Clean Water Act requirements.