Prince William Sound Regional Citizens’ Advisory Council Marine Terminal and for limiting the use of chemical dispersants in oil spill cleanups. When BP's "Deepwater Horizon" oil drilling rig exploded on April 20, 2010 and began to leak oil into the Gulf of Mexico, the PWSRCAC was kept very busy responding to calls for assistance and information. Following this spill President Barack Obama's Gulf of Mexico Oil Spill Commission recommended establishing similar citizens' councils there and in the Arctic. The PWSRCAC expressed its willingness to help establish similar councils. Prince William Sound Regional Citizens’ Advisory Council The Prince William Sound Regional Citizens' Advisory Council is an independent non-profit
Volume and extent of the Deepwater Horizon oil spill silts and sands onshore. On 26 May 2011, the Louisiana Department of Environmental Quality extended the state of emergency related to the spill. In April 2012, oil was found dotting of Louisiana's coast. As of December 2012, of coastline remain subject to evaluation and/or cleanup operations. On 15 May 2010, researchers from the National Institute for Undersea Science and Technology, aboard the research vessel "RV Pelican", identified oil plumes in the deep waters of the Gulf of Mexico, including one as large as long, wide and thick in spots. The shallowest oil plume the group detected was at about ,