Core Energy LLC - Charlton 7 Oil Extraction Facility, Johannesburg, Michigan

Core Energy LLC - Charlton 7 is an oil extraction facility located in Johannesburg, Otsego County, Michigan, United States. The facility is operational and engages in the extraction of crude oil and natural gas, classified under NAICS codes 211111, 211120, and 211130. Michigan's oil production is primarily from the Michigan Basin, with wells typically producing from Devonian and Silurian formations. The facility operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA) and the Michigan Department of Environment, Great Lakes, and Energy (EGLE). Key regulations include the Clean Air Act (CAA) for emissions, the Clean Water Act (CWA) for produced water management, and state-specific oil and gas rules. Typical extraction methods in the region involve vertical and horizontal drilling, with secondary recovery techniques such as waterflooding. As a small-to-medium scale operation, Core Energy LLC - Charlton 7 contributes to local oil supply and economic activity in Otsego County. The facility's environmental context includes proximity to the Great Lakes watershed, necessitating careful management of spills and groundwater protection. The site's operational status indicates ongoing production, supporting regional energy needs.

The facility is located in northern Michigan, within the Great Lakes Basin, which is sensitive to contamination from oil extraction activities. Spill risks are managed through Spill Prevention, Control, and Countermeasure (SPCC) plans under EPA regulations. The region's glacial geology means shallow aquifers require protection from brine and hydrocarbon releases. Typical mitigation includes secondary containment and groundwater monitoring.