Overview
DUNN CONSTRUCTION GRANULES PLANT is a stormwater outfall in Midfield, Alabama, United States. It operates under the US EPA NPDES MS4 permit framework for stormwater discharge.
DUNN CONSTRUCTION GRANULES PLANT is a stormwater outfall located at 4500 Jefferson Avenue SW in Midfield, Jefferson County, Alabama. The facility is operational and falls under the regulatory oversight of the US EPA's National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) program, which governs stormwater discharges in urbanized areas. As a stormwater outfall, this facility manages runoff from an industrial or construction-related site. The plant's discharge is subject to the Clean Water Act requirements, including compliance with water quality standards and best management practices for stormwater control. The facility is situated in an urbanized area of Alabama, where stormwater management is critical to prevent flooding and protect receiving waters. The environmental significance of this outfall lies in its role in managing stormwater runoff from the construction granules plant. Proper operation helps reduce pollutant loads to local water bodies, supporting the ecological health of the region. The facility contributes to the broader stormwater infrastructure in Jefferson County, which is essential for mitigating urban runoff impacts.
Environmental context
The facility is located in Midfield, Alabama, within the Black Warrior River watershed. Stormwater runoff from industrial sites in this region can carry sediments, nutrients, and other pollutants that may affect water quality. The area experiences a humid subtropical climate with frequent rainfall, making stormwater management a key environmental concern. Regulatory compliance under the NPDES MS4 program is essential to minimize impacts on local streams and rivers.
Frequently asked questions
DUNN CONSTRUCTION GRANULES PLANT is located at 4500 Jefferson Avenue SW in Midfield, Jefferson County, Alabama, United States.
It is a stormwater outfall facility that manages runoff from a construction granules plant, operating under the US EPA NPDES MS4 permit program.
The facility is subject to the Clean Water Act and the NPDES MS4 permit program, which regulates stormwater discharges from industrial and urban areas.
Proper stormwater management reduces pollutant loads, prevents flooding, and protects water quality in receiving water bodies like the Black Warrior River.
Common pollutants include sediments, heavy metals, oils, and chemicals from industrial activities, which are controlled through best management practices.
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