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NPDES Permit for Thunder Butte Petroleum Services Inc. Refinery in North Dakota

Under National Pollutant Discharge Elimination System permit number ND-003098, the Thunder Butte Petroleum Services Inc. Refinery is authorized to discharge from its wastewater treatment facilities in the Fort Berthold Indian Reservation near Makoti in Ward County, North Dakota, to wetlands tributary to the East Fork of Shell Creek.

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