METCALF BORROW PIT Stormwater Outfall, Hamilton, Alabama

METCALF BORROW PIT is a stormwater outfall located at 7684 State Highway 19 in Hamilton, Alabama, within Marion County. As a stormwater outfall, it manages runoff from the surrounding area, which may include urban, industrial, or agricultural sources. The facility is operational and falls under the regulatory framework of the US Clean Water Act, specifically the NPDES MS4 permit system for stormwater discharges. The facility's NAICS code 212321 indicates a connection to construction sand and gravel mining, suggesting the outfall may manage runoff from mining or industrial activities. Stormwater outfalls in Alabama are subject to state and federal regulations to control pollutants and protect water quality. The facility likely employs best management practices (BMPs) such as sediment basins or erosion controls to treat runoff before discharge. Environmental significance includes potential impacts on local water bodies, such as creeks or rivers in the Tennessee River basin. Proper stormwater management at this site helps reduce sedimentation and pollutant loads, supporting aquatic habitat and downstream water quality. The facility contributes to community resilience by mitigating flood risks and protecting infrastructure in Hamilton and Marion County.

The facility discharges stormwater in a region characterized by the Tennessee River watershed, which supports diverse aquatic ecosystems. Local water bodies may be sensitive to sedimentation and pollutants from urban and industrial runoff. Regulatory oversight under the Clean Water Act and Alabama's NPDES program aims to minimize impacts on water quality and aquatic life.