Overview
VULCAN CONSTRUCTION MATERIALS - CALERA QUARRY is a stormwater outfall in Calera, Alabama, USA. It manages runoff from a quarry operation under the US EPA NPDES MS4 permit framework.
VULCAN CONSTRUCTION MATERIALS - CALERA QUARRY is a stormwater outfall located at 1614 Highway 84 in Calera, Shelby County, Alabama. This facility manages stormwater runoff from a quarry operation classified under NAICS 212312 (Crushed and Broken Limestone Mining and Quarrying). As a stormwater outfall, it discharges collected runoff into local waterways, operating under the regulatory oversight of the US Clean Water Act and Alabama's NPDES MS4 permit program. In the United States, stormwater outfalls at industrial sites like quarries are typically regulated under EPA's NPDES Multi-Sector General Permit (MSGP) for industrial activities. The quarry's stormwater management likely includes sediment basins, diversion channels, and erosion control measures to comply with permit limits on total suspended solids and other pollutants. Environmental significance lies in the facility's location within the Cahaba River watershed, a biologically diverse region. Stormwater discharges from quarry operations can impact local water quality through sediment runoff and potential contaminants. Effective stormwater management at this outfall helps protect downstream aquatic habitats and supports compliance with Alabama's water quality standards. The facility's role in managing quarry runoff is critical for minimizing erosion and sedimentation in nearby streams.
Environmental context
The facility is situated in the Cahaba River watershed, one of the most biodiverse river systems in the United States. Stormwater runoff from quarry operations can carry sediment, heavy metals, and other pollutants that may impair water quality. The region's karst geology and clay soils increase runoff velocity and erosion potential. Regulatory oversight under the Clean Water Act requires best management practices to control sediment and prevent unauthorized discharges to protect aquatic habitats.
Frequently asked questions
The facility is located at 1614 Highway 84 in Calera, Shelby County, Alabama, USA.
It is a stormwater outfall that manages runoff from a crushed limestone quarry operation.
The outfall operates under the US Clean Water Act, regulated by EPA's NPDES Multi-Sector General Permit (MSGP) for industrial stormwater discharges.
The NAICS code is 212312, corresponding to Crushed and Broken Limestone Mining and Quarrying.
Quarry operations generate sediment-laden runoff that can impair local waterways. Proper stormwater management prevents erosion, controls sediment, and protects aquatic ecosystems.
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