Amnesty : Oil spill in Niger Delta creating ` ` human rights tragedy '' People living in Niger Delta have to drink , cook , wash in polluted water , it says . Nigeria 's largest oil company : Local communities causing much of the damage . `` The SPDC definitely shares Amnesty International 's concern that the people in the Niger Delta have n't benefited from the extraction of the oil and gas as they should , '' the spokesman said , `` but this has been the opinion of the SPDC for a number of years . '' Niger Delta a region in Nigeria consisting of nine oil - producing states .
Amnesty : Oil spill in Niger Delta creating ` ` human rights tragedy '' People living in Niger Delta have to drink , cook , wash in polluted water , it says . Nigeria 's largest oil company : Local communities causing much of the damage . Niger Delta a region in Nigeria consisting of nine oil - producing states .