Interpretation of Groundwater Quality for Drinking Purpose in Nsuta Anomakokrom Using a Multivariate Statistical Technique, Western Ghana

Authors : Richard Mensah, Richard Brakoh Andoh, Kenneth Enimil Conduah, Rutherford Kofi Brandful

Volume/Issue : Volume 4 - 2019, Issue 4 - April

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The study was to interpret the groundwater quality for drinking purpose in Nsuta Anomakokrom, Western Ghana. Water samples from 10 hand dug wells were collected and analyzed using factor analysis, cluster analysis and regression. Results obtained from factor analysis revealed that groundwater in the study area was controlled by carbonate mineral dissociation and silicate mineral weathering. Two clusters were developed, cluster (A) have higher electrical conductivity, total hardness, slightly acidic and appreciable amount of nitrate. The nitrate concentrations could be attributed to leachate from fertilizer application by farming activities within the study area. Cluster (B) have electrical conductivity (EC), total hardness (TH) within the permissible limit of the World Health Organization guideline for drinking water. The R2 value of 0.7992 obtained for HCO3 against Ca+2 suggest a strong relationship between bicarbonate and calcium. This could be explained that as the carbonate minerals undergoes a dissociation, much calcium ions are released into the groundwater.

Keywords : Groundwater, Quality, Nsuta Anomakokrom, Multivariate Statistical Technique.


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