Overview
Harbison Walker (Fairfield) is a stormwater outfall in Fairfield, Alabama, serving an industrial catchment. It operates under US EPA NPDES MS4 regulations for stormwater discharge.
Harbison Walker (Fairfield) is a stormwater outfall located at 2595 Ensley-Pleasant Grove Road in Fairfield, Jefferson County, Alabama. This facility manages stormwater runoff from an industrial site, with NAICS codes 327120 and 327124 indicating clay building material manufacturing. As a stormwater outfall, it discharges collected runoff into local waterways, subject to federal and state regulations. The facility operates under the US EPA National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit framework. In Alabama, the Alabama Department of Environmental Management (ADEM) administers the NPDES program, requiring permits for stormwater discharges from industrial activities. The outfall likely falls under the Industrial Stormwater General Permit, which mandates best management practices (BMPs) and monitoring to control pollutants. This outfall plays a role in managing stormwater from an industrial facility, helping to reduce flooding and control pollutant loads to receiving waters. The site is in the Black Warrior River watershed, which supports local ecosystems and water supply. Proper operation of this outfall contributes to compliance with the Clean Water Act and protects downstream water quality.
Environmental context
The outfall discharges into the Black Warrior River watershed, which is a major tributary of the Mobile River Basin. This region experiences a humid subtropical climate with frequent heavy rainfall, increasing the risk of runoff-related pollution. Industrial stormwater discharges can contain sediments, heavy metals, and other contaminants that may impair water quality if not properly managed. The facility's location in an urban-industrial area of Jefferson County means runoff may carry pollutants from manufacturing activities, requiring effective BMPs to meet water quality standards.
Frequently asked questions
The outfall is located at 2595 Ensley-Pleasant Grove Road in Fairfield, Jefferson County, Alabama, USA.
It collects and discharges stormwater runoff from an industrial facility involved in clay building material manufacturing, helping to manage flooding and control pollutant loads.
The outfall operates under the US EPA NPDES MS4 permit program, administered in Alabama by ADEM, requiring industrial stormwater permits and best management practices.
Industrial stormwater outfalls can discharge pollutants like sediments and heavy metals into waterways, so proper management is critical to protect water quality and aquatic ecosystems.
The Clean Water Act requires NPDES permits for stormwater discharges from industrial and municipal sources, setting limits on pollutants and mandating monitoring and BMPs.
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