Almost 3 million gallons of potentially toxic saltwater leaked from a western North Dakota pipeline into a creek that feeds the Missouri River – the largest spill of its kind in the state’s history. The impact of spill on the local environment and the length of cleanup time are being assessed, officials said. Reuters. 23 January 2015.
http://www.reuters.com/article/us-usa-north-dakota-spill-idUSKBN0KV1ZR20150122