Overview
HUNTSVILLE-MADISON CO AIRPORT AUTHORITY is a stormwater outfall in Huntsville, Alabama, managing runoff from airport operations under US EPA NPDES MS4 regulations.
HUNTSVILLE-MADISON CO AIRPORT AUTHORITY operates a stormwater outfall located at 1000 GLENN HEARN BLVD in Huntsville, Alabama. This facility manages stormwater runoff from the Huntsville International Airport, serving the transportation sector with NAICS codes 481211, 481212, and 488119. As a stormwater outfall, it is part of the municipal separate storm sewer system (MS4) regulated under the Clean Water Act. The facility operates under the US EPA NPDES MS4 permit framework, which requires stormwater management plans to control pollution from urban and industrial runoff. Given its airport location, the outfall likely handles runoff from impervious surfaces such as runways, parking lots, and terminal buildings, which may contain pollutants like de-icing fluids, fuel residues, and sediment. Typical stormwater treatment for such facilities includes detention basins, oil-water separators, and vegetative swales. This outfall contributes to local flood control and water quality protection in the Huntsville area, particularly for nearby water bodies that may receive discharge. Proper management of stormwater from the airport is essential to minimize impacts on local streams and comply with Alabama's water quality standards. The facility's operational status ensures ongoing regulatory compliance and environmental stewardship.
Environmental context
Huntsville, Alabama, experiences a humid subtropical climate with frequent thunderstorms and heavy rainfall, making stormwater management critical to prevent flooding and erosion. The airport's outfall discharges into local watersheds that may be impaired by urban runoff. Regulatory oversight under the EPA's NPDES MS4 program requires the facility to implement best management practices to reduce pollutant loads, particularly from industrial activities like aircraft de-icing and fuel handling.
Frequently asked questions
The outfall is located at 1000 GLENN HEARN BLVD, Huntsville, Alabama 35824-2107, within the Huntsville International Airport.
It manages stormwater runoff from airport operations, including runways, terminals, and parking areas, to control flooding and reduce pollutant discharge into local waterways.
It is regulated under the US EPA's NPDES MS4 permit program, which requires stormwater management plans and best management practices to comply with the Clean Water Act.
Airport stormwater systems must handle unique pollutants like de-icing fluids and fuel residues, often requiring specialized treatment such as oil-water separators and detention basins.
Proper management prevents pollution of local streams and reduces flood risk in Huntsville, supporting water quality goals under Alabama's environmental regulations.
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