Circle K Store No. 4472 Stormwater Outfall, Mobile, Alabama

Circle K Store No. 4472 is a stormwater outfall facility located in Mobile, Alabama, United States. It serves a commercial retail site at 6900 Airport Blvd, managing stormwater runoff from the property. As a stormwater outfall, it discharges collected runoff into local waterways, likely under the regulatory framework of the US EPA NPDES MS4 program. The facility operates under Alabama's stormwater regulations, which require permits for discharges from municipal separate storm sewer systems (MS4s) and industrial activities. As a commercial site, it may be covered under a general permit for stormwater discharges from industrial or commercial facilities. The outfall is designed to convey runoff from impervious surfaces such as parking lots and rooftops. Environmental significance lies in its role in managing urban runoff in Mobile, a city with a humid subtropical climate and frequent rainfall. Proper stormwater management helps reduce flooding, erosion, and pollution of receiving waters. The outfall likely discharges to a local waterbody, contributing to the overall stormwater infrastructure in the Mobile Bay watershed.

Mobile, Alabama, experiences a humid subtropical climate with heavy rainfall, especially during hurricane season. Stormwater runoff from commercial sites like Circle K Store No. 4472 can carry pollutants such as oil, grease, and sediment into local waterways. The facility operates within the Mobile Bay watershed, which is ecologically sensitive and supports diverse aquatic life. Effective stormwater management is crucial to minimize impacts on water quality and reduce flooding risks in urban areas.