In the analysis undertaken, we review waste from the crude oil and fuel refining. In addition to petrochemical intermediate products industry in Iraq in petroleum refinery effluents (PRE). The study shows the significant detrimental impacts of the Iraqi refinery effluent pollution. The research illustrated the handling of wastewater in refineries. This study shows that the emissions from Iraqi refineries comes out to the farthest extent. We were often based on environmental toxins such as Couscous Pollutants, Liquid Pollutants and Strong Pollutants in the Southern Refineries. In addition, we follow the forms in which refining waste in Iraq is treated. To date, oil refineries have struggled to meet their commitments effectively while atmospheric regulation in their fields continues to be neglected and environmental protection schemes that contribute to oil pollution mitigations are less regarded. The government, on the other hand, has shown no commitment to enact its minimum environmental legislation. As a consequence, it is clear that the area’s oil and refineries, particularly refineries, have important repercussions for livelihoods and agriculture.