A six-inch crude oil pipeline operated by Belle Fourche Pipeline Company in western North Dakota was shut down following discovery of a leak on Monday. The amount of the spill was not immediately known, but oil has leaked into the Ash Coulee Creek in Billings County.
The site of the spill is about 200 miles from the camp where members of the Standing Rock Sioux Tribe and their supporters have been protesting the construction of the Dakota Access Pipeline.
“It is a significant spill,” Bill Suess, spill investigation program manager for the North Dakota Department of health, said.
“A series of booms have been placed across the creek to prevent downstream migration and a siphon dam has been constructed four miles downstream of the release point.”