Overview
SHELBY CONCRETE-ALABASTER is a stormwater outfall in Alabaster, Alabama, United States. It manages runoff from an industrial concrete facility, discharging into local waterways under EPA NPDES MS4 regulations.
SHELBY CONCRETE-ALABASTER is a stormwater outfall located at 2260 County Road 87 in Alabaster, Shelby County, Alabama, United States. The facility is operational and serves an industrial concrete production site, managing stormwater runoff from the facility's impervious surfaces and process areas. As a stormwater outfall, it is part of the broader network of point source discharges regulated under the National Pollutant Discharge Elimination System (NPDES) program. In the United States, stormwater discharges from industrial facilities are regulated under the EPA's NPDES Multi-Sector General Permit (MSGP) or individual permits. The facility likely operates under a permit requiring implementation of a Stormwater Pollution Prevention Plan (SWPPP) with best management practices (BMPs) to control pollutants such as sediment, oil and grease, and heavy metals. The outfall discharges into a receiving waterbody within the Cahaba River watershed, which is subject to state water quality standards. The environmental significance of this outfall lies in its potential impact on local water quality. Industrial stormwater runoff can carry pollutants that affect aquatic ecosystems and downstream uses. Proper management through BMPs and regular monitoring is essential to minimize these impacts. The facility's location in a rapidly developing area of Shelby County underscores the importance of effective stormwater control to protect water resources.
Environmental context
The outfall is located in the Cahaba River watershed, a biologically diverse river system in Alabama. The region experiences a humid subtropical climate with frequent thunderstorms, leading to high runoff volumes. Industrial stormwater discharges from concrete facilities can contain elevated pH, total suspended solids, and metals. The receiving waterbody may be impaired for these parameters, requiring stringent permit limits and BMPs to protect aquatic life and downstream water uses.
Frequently asked questions
SHELBY CONCRETE-ALABASTER is located at 2260 County Road 87 in Alabaster, Shelby County, Alabama, United States.
It is a stormwater outfall that manages runoff from an industrial concrete production facility, discharging stormwater into local waterways under an NPDES permit.
The outfall is regulated under the U.S. Clean Water Act via the NPDES program, likely under the Multi-Sector General Permit for industrial stormwater discharges, requiring a SWPPP and BMPs.
Common pollutants include elevated pH, total suspended solids (sediment), oil and grease, and metals such as chromium and lead from concrete production and equipment.
Effective BMPs such as sediment basins, vegetative buffers, and regular inspections reduce pollutant loads, helping to maintain water quality in the Cahaba River watershed, which supports diverse aquatic species.
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