Drilling Rig on the Bakken Formation

Drilling Rig on the Bakken Formation

Matthew Staver/Bloomberg

North Dakota wells may produce 27 tons a day of filter socks alone, Scott Radig, director of the North Dakota Health Department’s Division of Waste Management said, citing a private hauler’s estimate. While most material is handled properly, it’s “clearly not enough. There is definitely some illegal dumping going on.”