Dakota Access, a subsidiary of Energy Transfer Partners, the company building the pipeline, responded to Business Insider's request for comment last fall in an email, saying: «Crude pipelines in the country have a very specific review and approval process that must be followed. (businessinsider.com)
Huge questions about pipeline maintenance and oversight spurted into public awareness in 2013 when journalists revealed a 20,600 - barrel crude pipeline spill in a wheat field north of Tioga, which went unreported by industry and state officials for 11 days. (scientificamerican.com)
A large portion of the 590,000 b / d Keystone crude pipeline was shut on 16 November after a after a leak of an estimated 5,000 bl of crude in Marshall county, South Dakota. (argusmedia.com)