Timeline of the Deepwater Horizon oil spill Timeline of the Deepwater Horizon oil spill The following is a timeline of the "Deepwater Horizon" oil spill (also referred to as the BP oil spill, the Gulf of Mexico oil spill or the Macondo blowout). It was a massive oil spill in the Gulf of Mexico, the largest offshore spill in U.S. history. It was a result of the well blowout that began with the "Deepwater Horizon" drilling rig explosion on April 20, 2010. BP reports a leak a day. DeepWaterHorizonResponse.com domain registered for one year by PIER Systems in Bellingham, Washington to be used by the United States
Volume and extent of the Deepwater Horizon oil spill water in a "dissolved or dispersed form". On 16 August 2010, UGA scientists said their analysis of federal estimates show that 80% of the oil the government said was gone from the Gulf of Mexico is still there. The Georgia team said "it is a misinterpretation of data to claim that oil that is dissolved is actually gone". Oil began washing up on the beaches of Gulf Islands National Seashore on 1 June 2010. By 4 June 2010, the spill had landed on of Louisiana's coast, had washed up along Mississippi and Alabama barrier islands, and was found for the