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Clean potable water availability is now a global issue and will impact nearly 4 billion people by 2030; ‘water-stressed’ nations will be commonplace according to the World Water Council. Toxic water is often associated with developing economies but is now an increasing global issue, effecting all nations, developed or developing. Water issues do vary from nation to nation from high levels of antivirals in water to Arsenic bio-accumulating in rice; and in southern India’s coastal regions the groundwater supplies are becoming increasingly brackish due to the osmotic imbalance at porous underground rock interfaces. As groundwater supplies become brackish this also introduces other contaminants from the oceans, one of which is crude oil. The primary aim of this research was to remove excessive levels of crude oil from the water supply by using a simple passive graphene oxide-based water filter.