BISMARCK, N.D. (AP) — The North Dakota Department of Health says about 840 gallons of an oil and water mixture spilled off a well pad in Billings County and into Sully Creek.
The spill happened Monday at a site about four miles west of Fryburg. The well is operated by Hess Bakken Investments II.
The company estimates that 8,400 gallons of oil and 9,400 gallons of produced water were released onto the well pad containment area.
Health Department personnel are monitoring the investigation.
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