Deepwater Horizon litigation Deepwater Horizon litigation The civil and criminal proceedings stemming from the explosion of "Deepwater Horizon" and the resulting massive oil spill in the Gulf of Mexico began shortly after the April 20, 2010 incident and have continued since then. They have included an extensive claims settlement process for a guilty plea to criminal charges by BP, and an ongoing Clean Water Act lawsuit brought by the U.S. Department of Justice and other parties. A federal judge, ruling on the Clean Water Act suit in September 2014, found that BP was primarily responsible for the oil spill as a result of
Deepwater Horizon oil spill more than wide and deep. In a major study on the plume, experts were most concerned about the slow pace at which the oil was breaking down in the cold, water at depths of . In late 2012, a study from Georgia Tech and Universidad Autonoma de Aguascalientes in Environmental Pollution journal reported that Corexit used during the BP oil spill had increased the toxicity of the oil by 52 times. The scientists concluded that "Mixing oil with dispersant increased toxicity to ecosystems" and made the gulf oil spill worse." The three basic approaches for removing the oil from the