DUNN CONSTRUCTION COMPANY Stormwater Outfall, Birmingham, Alabama

DUNN CONSTRUCTION COMPANY is a stormwater outfall located at 1200 West 10th Street in Birmingham, Alabama, within Jefferson County. The facility is operational and falls under the regulatory framework of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits. As a stormwater outfall, it manages runoff from industrial and urban areas in the Birmingham metropolitan region. The facility operates under the NAICS code 324121, which corresponds to asphalt paving mixture and block manufacturing. This indicates that the outfall likely handles stormwater from industrial activities related to construction materials. In Alabama, stormwater discharges are regulated by the Alabama Department of Environmental Management (ADEM) under delegated authority from the US EPA. The facility must comply with permit requirements to control pollutants in stormwater runoff. Stormwater outfalls like this one play a critical role in managing urban runoff and preventing flooding and water pollution. The Birmingham area, with its industrial history and urban development, relies on such infrastructure to protect local water bodies, including the Black Warrior River watershed. Proper operation of this outfall helps mitigate the impact of stormwater on the environment and community.

Birmingham, Alabama, has a humid subtropical climate with significant rainfall, making stormwater management crucial. The facility discharges into the Black Warrior River watershed, which supports diverse aquatic life and provides drinking water. Urban and industrial runoff from the area can carry pollutants such as sediment, heavy metals, and hydrocarbons, necessitating effective stormwater controls under the NPDES MS4 program.