Delaware City Refining Co LLC Refinery, Delaware City, Delaware | Oil Infrastructure

Delaware City Refining Co LLC is a refinery located at 4550 Wrangle Hill Rd in Delaware City, New Castle County, Delaware. The facility is operational and plays a key role in the region's oil infrastructure, processing crude oil into fuels and other products for the Mid-Atlantic market. As a refinery in the United States, the facility operates under federal and state environmental regulations, including the EPA's Clean Air Act Refinery MACT standards and the Clean Water Act. The refining process involves complex operations such as distillation, cracking, and treatment, with a typical capacity in the range of 100,000 to 200,000 barrels per day for medium-sized refineries in the region. The refinery's coastal location on the Delaware River presents considerations for spill prevention and response, aligning with MARPOL Annex I requirements. The facility contributes to local employment and energy supply, while its environmental management includes air emission controls and wastewater treatment to meet regulatory standards.

The refinery's location near the Delaware River and Delaware Bay raises considerations for coastal spill risk and water quality. Operations involve handling large volumes of crude oil and products, requiring robust secondary containment and spill response plans. The facility's Nelson complexity index, typical for medium refineries, influences its emissions profile and waste generation. Regulatory oversight includes EPA air and water permits, as well as state-level environmental programs.