Apipeline spilled 840 gallons of produced water in Bowman County, with an unknown amount entering Spring Creek. No impacts to wildlife were immediately reported. Denbury Onshore LLC notified the North Dakota Department of Environmental Quality of the spill about 10 miles south of Marmarth. The initial report states that 20 barrels of produced water was released. Produced water is saltwater that can contain oil and drilling chemicals. A barrel is equal to 42 gallons.