GRAVES MARATHON Stormwater Outfall, Cullman, Alabama | United States

GRAVES MARATHON is a stormwater outfall located at 6381 Highway 157 W in Cullman, Cullman County, Alabama, United States. It operates as part of the stormwater management infrastructure for the area, handling runoff from industrial and urban catchments. The facility is classified as a stormwater outfall, which serves as a discharge point for collected stormwater into receiving waters. As a stormwater outfall in Alabama, GRAVES MARATHON operates under the regulatory framework of the US Clean Water Act and the EPA NPDES MS4 permit system. The facility is likely subject to Phase II MS4 requirements given its location in a small municipality like Cullman. Typical stormwater outfalls in this region manage flows from impervious surfaces and may include basic treatment such as sedimentation basins or vegetated swales to reduce pollutant loads before discharge. The environmental significance of GRAVES MARATHON lies in its role in controlling stormwater runoff quality and quantity in the Cullman area. Proper management of this outfall helps protect local water bodies from pollution and flooding, supporting community and ecological health. Its operational status ensures ongoing compliance with regulatory standards for stormwater discharge.

The Cullman area in Alabama experiences a humid subtropical climate with frequent thunderstorms, leading to significant stormwater runoff. The outfall discharges into local waterways that may be sensitive to urban and industrial runoff pollutants such as sediment, nutrients, and heavy metals. Effective stormwater management at GRAVES MARATHON is crucial for maintaining water quality in the region's streams and rivers, which support diverse aquatic ecosystems and provide drinking water sources.