Overview
Dolphin Line Inc is an operational stormwater outfall in Mobile, Alabama, United States. It manages stormwater discharge from an industrial site under federal and state regulations.
Dolphin Line Inc is a stormwater outfall located at 4521 Higgins Road in Mobile, Alabama, United States. The facility is operational and serves as a point of discharge for stormwater runoff from an industrial site classified under NAICS 484121 (General Freight Trucking, Long-Distance, Truckload). As a stormwater outfall, it is part of the broader stormwater management infrastructure in Mobile County. The facility operates under the regulatory framework of the Clean Water Act and the National Pollutant Discharge Elimination System (NPDES). In Alabama, stormwater discharges from industrial activities are typically regulated under the NPDES Multi-Sector General Permit (MSGP) or individual permits. The outfall likely conveys runoff from impervious surfaces, loading docks, and vehicle parking areas, which may contain pollutants such as sediment, oil, and grease. Stormwater outfalls like this one play a critical role in preventing localized flooding and managing water quality in urban and industrial areas. The Mobile region experiences a humid subtropical climate with heavy rainfall, making effective stormwater management essential for protecting downstream water bodies, including Mobile Bay and the Gulf of Mexico. Proper operation and maintenance of the outfall help reduce the risk of erosion, pollutant loading, and habitat degradation.
Environmental context
Mobile, Alabama, lies in the Gulf Coast region, which is characterized by high annual rainfall, frequent thunderstorms, and vulnerability to hurricanes. Stormwater runoff from industrial sites can carry pollutants such as heavy metals, hydrocarbons, and sediment into local waterways. The outfall discharges into the Mobile Bay watershed, an ecologically important estuary that supports fisheries, wildlife, and recreation. Effective stormwater management is crucial to prevent impairment of water quality and to comply with Total Maximum Daily Load (TMDL) requirements for pollutants like bacteria and nutrients.
Frequently asked questions
Dolphin Line Inc is located at 4521 Higgins Road in Mobile, Alabama, United States, in Mobile County.
Dolphin Line Inc is a stormwater outfall, which is a point of discharge for stormwater runoff from an industrial site.
Stormwater outfalls in Alabama are regulated under the Clean Water Act and the NPDES program. Industrial facilities must obtain coverage under the Multi-Sector General Permit (MSGP) or an individual permit to discharge stormwater.
The NAICS code for Dolphin Line Inc is 484121, which corresponds to General Freight Trucking, Long-Distance, Truckload.
Mobile has a humid subtropical climate with heavy rainfall, making stormwater management critical to prevent flooding and reduce pollutant runoff into Mobile Bay and the Gulf of Mexico, which are ecologically and economically important water bodies.
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