Region 8

Marathon Oil Company – Circle Ridge NPDES Permit

Under National Pollutant Discharge Elimination System permit number WY-0000949, the Marathon Oil Company – Circle Ridge is authorized to discharge from its wastewater treatment facility located in Fremont County, Wyoming to a tributary to Coal Draw.

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Authorization to Discharge Under the National Pollutant Discharge Elimination System: Marathon Oil Company (PDF)(19 pp, 113 K)
Statement of Basis: Marathon Oil Company - Circle Ridge, Permit No. WY-0000949 (PDF)(7 pp, 91 K)