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 collected before it could enter the Gulf waters. In its permit to drill the well, BP estimated the worst-case flow at . Immediately after the explosion the USCG did not estimate any oil leaking from the sunken rig or from the well. On 24 April, USCG Rear Admiral Mary Landry announced that a damaged wellhead was indeed leaking. She stated that "the leak was a new discovery but could have begun when the offshore platform sank . . . two days after the initial explosion." Initial estimates by USCG and BP officials, based on remotely operated vehicles as well as