Author(s): Amadi PA, Ofoegbu CO, Morrison T
Hydrogeochemical analyses were carried out on groundwater samples collected from 20 producing wells in different parts of the Eastern Niger Delta. Results show that the concentrations of the major cations (Na+, K+, Ca2+, Mg2+) and anions (Cl−, SO 2−4 , HCO −3 ) are below the World Health Organization (WHO) standards set for domestic purposes. The occurrence of slightly saline water in certain areas is attributed to local hydrogeological processes occurring in the area. On the basis of the analytical results, two hydrogeochemical facies are delineated. These are calcium-magnesium-chloride-sulfate-bicarbonate (Ca-Mg-Cl-SO4-HCO3) and calcium-sodium-chloride-sulfatebicarbonate (Ca-Na-Cl-SO4-HCO3) to the west and east of the study area, respectively.
Referred From: https://link.springer.com/article/10.1007%2FBF00775283
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