ASSESSMENT OF ENVIRONMENTAL POLLUTION OF ELE RIVER IN NNEWI OF ANAMBRA STATE OF NIGERIA USING WATER

An index's objective is to convert complicated water quality data into information that the general public can comprehend and use. As a result, the Water Quality Index (WQI) was used to assess the influence of industrial effluent on environmental contamination in the Ele River. Chemical water quality indicators - pH, Total Dissolved Solids, Total Hardness, Calcium, Magnesium, Total Alkalinity, and Electrical Conductivity - were employed in this work to produce WQI. Three sampling stations were used to collect water samples. The Ele River was divided into three sampling stations based on the preliminary study. The sample stations were then labelled as follows: station 1 (point of wastewater entrance), station 2 (100 metres distant from the effluent discharge point), and station 3 (100 metres away from the effluent discharge point) (250 m away from the effluent discharge point). The stations' QWIs range from 51.53 in June to 92.92 in January, with a low of 51.53 in June and a maximum of 92.92 in January. Based on the WQI evaluation and WHO standard, it can be concluded that the River's physico-chemical water quality is generally of medium to good quality.

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