FORMER SAS #22 Stormwater Outfall, Birmingham, Alabama

FORMER SAS #22 is a stormwater outfall located at 1701 Key Drive in Birmingham, Alabama, within Shelby County. As a stormwater outfall, it serves as a discharge point for collected stormwater runoff from the surrounding urban area. The facility is part of the broader stormwater management infrastructure in the region, which is regulated under the US EPA NPDES MS4 permit program. In the United States, stormwater outfalls like FORMER SAS #22 are typically subject to Phase II MS4 requirements for small municipalities, given Birmingham's size and regulatory context. These permits mandate the development of stormwater management programs to reduce pollutant discharges to the maximum extent practicable. The facility likely handles runoff from residential, commercial, and industrial areas within its drainage basin. The environmental significance of FORMER SAS #22 lies in its role in conveying stormwater to receiving waters, which may include local streams or rivers in the Alabama watershed. Proper management of this outfall helps mitigate flooding, erosion, and water quality impacts from urban runoff. The facility contributes to the community's resilience against storm events and supports compliance with Clean Water Act objectives.

Birmingham, Alabama, experiences a humid subtropical climate with frequent thunderstorms and occasional hurricanes, leading to significant stormwater runoff. The region's urban development increases impervious surfaces, elevating runoff volumes and pollutant loads. Stormwater outfalls like FORMER SAS #22 discharge into local water bodies, which may be impaired by sediment, nutrients, and heavy metals. Effective stormwater management is critical to protect water quality in the Cahaba River basin and downstream ecosystems.