Overview
RLB PIT 1 is a stormwater outfall in Mount Vernon, Alabama, serving an industrial catchment. It operates under US EPA NPDES MS4 regulations for stormwater discharge.
RLB PIT 1 is a stormwater outfall located in Mount Vernon, Mobile County, Alabama, United States. The facility manages stormwater runoff from an industrial area, with NAICS codes 212321 (Construction Sand and Gravel Mining) and 212325 (Clay and Ceramic and Refractory Minerals Mining), indicating a mining-related catchment. As a stormwater outfall, it discharges collected runoff into local waterways. The facility operates under the US EPA National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit framework. In Alabama, the Alabama Department of Environmental Management (ADEM) administers these permits. The outfall is likely subject to Phase II MS4 requirements given its location in a small municipality. Stormwater outfalls in industrial catchments often require monitoring for pollutants such as sediment, heavy metals, and hydrocarbons. This outfall contributes to managing stormwater runoff from mining operations, helping to control erosion and sedimentation in the Mobile River basin. Proper operation is essential to protect water quality in downstream water bodies, including the Mobile-Tensaw Delta, a critical ecological area. The facility's location in a region with heavy rainfall and clay soils underscores the importance of effective stormwater management.
Environmental context
The facility discharges into the Mobile River basin, which includes the Mobile-Tensaw Delta, one of the largest river deltas in the United States. This area supports diverse aquatic habitats and is sensitive to sediment and pollutant loading from stormwater runoff. The surrounding region has a subtropical climate with high annual rainfall, increasing the potential for runoff-related impacts. Industrial catchments like this one can contribute pollutants such as suspended solids, metals, and hydrocarbons, requiring careful management to meet water quality standards.
Frequently asked questions
RLB PIT 1 is located on a private road off Villard Byrd Road in Mount Vernon, Mobile County, Alabama, United States.
RLB PIT 1 is a stormwater outfall that discharges runoff from an industrial catchment, primarily associated with mining operations (construction sand and gravel, clay and ceramics).
RLB PIT 1 operates under the US EPA NPDES MS4 permit program, administered by the Alabama Department of Environmental Management (ADEM). It is subject to stormwater discharge requirements for industrial activities.
Stormwater outfalls in Alabama help manage runoff to protect water quality in rivers and coastal areas like the Mobile-Tensaw Delta. They are critical for controlling sediment and pollutant loads from urban and industrial areas.
The NPDES MS4 program requires permits for stormwater discharges from municipal separate storm sewer systems. It mandates pollution prevention plans, monitoring, and best management practices to reduce pollutants in runoff.
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