Cika wannan jumlar: A ranar 20 ga Afrilu 2010, fashewa ya faru a kan
"Deepwater Horizon" man fetur mai zurfi, wanda kamfanin BP ke sarrafawa. Mutane goma sha ɗaya sun mutu a fashewar kuma man fetur ya fara zubewa daga kasan teku a cikin saurin da aka kiyasta daban-daban tsakanin da kuma kowace rana. Hayward, da BP gabaɗaya, da farko sun rage girman malalar, suna bayyana a ranar 17 ga Mayu 2010 cewa tasirin muhalli na malalar Gulf zai iya zama "mai sauƙin kai" kuma yana kiran malalar "ƙananan kaɗan" idan aka kwatanta da girman teku. A ranar 27 ga Mayu, Hayward ya canza kimantawarsa, yana kiran zubar da "bala'in muhalli" a cikin wata hira da CNN.