Superior Refining Company LLC - Duluth Petroleum Products, Proctor, Minnesota Oil Extraction Facility

Superior Refining Company LLC - Duluth Petroleum Products is an oil extraction facility located at 5746 Old Highway 61 in Proctor, St. Louis County, Minnesota, United States. The plant is operational and serves as a key infrastructure component in the region's petroleum supply chain. The facility operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA), including the Clean Air Act (CAA) Refinery MACT standards and other applicable federal and state environmental regulations. As an oil extraction and petroleum products facility, it is subject to oversight by the Minnesota Pollution Control Agency and the EPA, ensuring compliance with emissions, spill prevention, and safety requirements. The plant's location near Duluth and the Great Lakes region underscores its role in regional fuel supply and distribution. Its operational status contributes to the local economy and energy infrastructure, supporting downstream industries and transportation networks in the Midwest.

The facility is situated in a region with significant water resources, including the St. Louis River and Lake Superior. Oil extraction and petroleum handling operations pose risks of spills and emissions, which are regulated under the Clean Water Act and the Oil Pollution Act. The plant's proximity to sensitive aquatic ecosystems necessitates robust spill prevention and response measures to protect water quality and wildlife.