Overview
ST ELMO PIT is a stormwater outfall in St. Elmo, Alabama, serving the Mobile County area. It operates under the US EPA NPDES MS4 permit framework for stormwater discharge management.
ST ELMO PIT is a stormwater outfall located at the north end of Beverly Road in St. Elmo, Alabama, within Mobile County. This facility is part of the stormwater management infrastructure for the region, handling runoff from urban and potentially industrial catchments. As a stormwater outfall, it discharges collected stormwater into local water bodies, playing a key role in flood control and water quality management. The facility operates under the regulatory framework of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits. Given its location in Mobile County, it likely falls under Phase II MS4 requirements for small municipalities. The NAICS codes associated with the facility (212321 for Construction Sand and Gravel Mining and 212325 for Clay and Ceramic and Refractory Minerals Mining) suggest that the catchment area may include industrial activities related to mining, which can influence stormwater runoff quality. ST ELMO PIT contributes to the stormwater management network in the Mobile Bay watershed, an ecologically significant estuary. Proper operation of this outfall helps mitigate flooding and reduces pollutant loads to receiving waters, supporting local water quality goals and community resilience. The facility's performance is subject to local MS4 permit conditions, including monitoring and best management practices for stormwater control.
Environmental context
The ST ELMO PIT stormwater outfall discharges into the Mobile Bay watershed, a large estuary system that supports diverse aquatic habitats and commercial fisheries. The catchment area includes mining operations (sand, gravel, clay), which can contribute sediment and other pollutants to stormwater runoff. Urban runoff from St. Elmo and surrounding areas may also carry nutrients, heavy metals, and pathogens. Effective stormwater management is critical to protect water quality in Mobile Bay, which is designated as impaired for some pollutants under the Clean Water Act. The facility operates under NPDES MS4 permit requirements that mandate stormwater control measures to reduce impacts on receiving waters.
Frequently asked questions
ST ELMO PIT is located at the north end of Beverly Road in St. Elmo, Alabama, within Mobile County, United States.
ST ELMO PIT is a stormwater outfall that collects and discharges stormwater runoff from urban and industrial areas in St. Elmo and surrounding parts of Mobile County.
ST ELMO PIT operates under the US Clean Water Act's National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permits, which regulate stormwater discharges to protect water quality.
The catchment area includes mining operations for construction sand, gravel, clay, and ceramic minerals, as indicated by NAICS codes 212321 and 212325.
Stormwater management in Mobile County is crucial to protect the Mobile Bay estuary, which supports diverse ecosystems and local economies. Proper management reduces flooding and prevents pollutants from degrading water quality.
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