Volume and extent of the Deepwater Horizon oil spill Volume and extent of the Deepwater Horizon oil spill The "Deepwater Horizon" oil spill was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. According to the Flow Rate Technical Group, the leak amounted to about of oil, exceeding the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters and the 1979 Ixtoc I oil spill as the largest spill in the Gulf of Mexico. BP has challenged this calculation saying that it is overestimated as it includes over of oil which was
Yellow River oil spill 5 January, Zhang Xun, an official of the Ministry of Environmental Protection confirmed that the spill had been contained in the Sanmenxia reservoir and was no longer a threat to the river water downstream. Yellow River oil spill The Yellow River oil spill was an oil spill in the Yellow River in Shaanxi, China which took place due to the rupturing of a segment of Lanzhou-Zhengzhou oil pipeline on December 30, 2009. Approximately of diesel oil flowed down the Wei River before finally reaching the Yellow River, the source of drinking water for millions of people, on January 4, 2010.