Impact of Drilling Wastes on Surface Water Acidity in South-South Nigeria

Abstract

This study examined the impact of drilling waste on surface water acidity in South-South Nigeria. The objective of the study was to determine the acidity of drilling wastes contaminated surface water in the region.  Drilling waste contaminated surface waters in seven (7) different locations in South-South Nigeria were survey.  Surface water samples from the selected locations were collected and analyzed for pH every month for a period of six (6) months (June to November 2017) using a graduated pH meter. Results revealed that the drilling fluid contaminated surface waters were slightly acidic, a situation which reduces the water quality significantly; the surface waters contaminated with drilling fluids contains metallic ions, hydrocarbons and related substances which are ever-present pollutants of the acidic water environment in differing concentrations; acidic surface waters have negative health consequences such as cancer, renal disorder, stroke and related health problems. Based on the study findings, the need for public sensitization on their right to safe environment and the establishment of an entirely independent agency that will ensure that community environmental resources are protected while oil and gas companies carry out their operations were recommended