Macmillan Ring-Free Oil Co Inc Refinery, El Dorado, Arkansas | USA Oil Infrastructure

Macmillan Ring-Free Oil Co Inc is a refinery located at 315 E Oak, El Dorado, Arkansas, United States. The facility is operational and plays a role in the region's oil infrastructure, contributing to the supply of refined petroleum products. The refinery operates under the regulatory framework of the US Environmental Protection Agency (EPA), including the Clean Air Act (CAA) Refinery MACT standards and other federal environmental regulations. As a refinery in Arkansas, it is subject to state-level oversight by the Arkansas Department of Environmental Quality. The facility's NAICS codes (211111 for crude petroleum extraction and 324110 for petroleum refining) indicate involvement in both upstream and downstream activities. The environmental significance of this refinery includes potential impacts on local air quality and water resources. The facility's location in Union County, near the city of El Dorado, places it in an area with a mix of industrial and natural landscapes. Compliance with EPA regulations helps mitigate risks associated with refining operations.

The refinery is situated in Union County, Arkansas, an area with a mix of forested land and agricultural activity. The facility's operations involve crude oil processing, which can generate emissions of volatile organic compounds and other pollutants. Regulatory oversight under the EPA's CAA Refinery MACT aims to control these emissions. The proximity to local water bodies necessitates careful management of wastewater and stormwater runoff to prevent contamination.