Delta state (Hydrology) water quality index

Study was carried out to determine the water quality Index (WQI) using fourteen physicochemical parameters on the basis of weighted Arithmetic Index in order to access the suitability of water for consumption, recreation and other purposes from selected rivers in Warri, Delta state. The parameters were measured monthly for one year at six selected water bodies. Water Quality index indicating the water quality in terms of index number, offers a useful representation of overall quality of water for public or for any intended use as well as in the pollution abatement programmes and in water quality management. In this study, WQI was determined by the analysis-on the basis of various physicochemical parameters like pH, chlorides, electrical conductivity, dissolved oxygen, biochemical oxygen demand, total dissolved solid, total suspended solids, chlorides, sulphates, chemical oxygen demand, oil/grease. Result obtained for the different sampling sites were found to fall within the classification WQI interpreted as poor water (100-200) to unsuitable water or unfit (>300). There is however the need to periodically assess these water bodies to ensure the quality is suitable for the intended purpose

Categories: Research development

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