Seasonal Variations of Physico-Chemical Parameters of Otamiri River in Owerri Urban, Nigeria

Onyinyechi. J Iheagwam and Emma. E Ezenwaji
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Onyinyechi. J Iheagwam: Department of Geography and Meteorology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
Emma. E Ezenwaji: Department of Geography and Meteorology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria

International Journal of Research and Innovation in Applied Science, 2024, vol. 9, issue 9, 117-126

Abstract: This study was conducted to assess the physiochemical parameters of Otamiri River in Owerri Urban, Imo State. it investigated the following physico-chemical parameters of the river water namely pH, Temperature, Electrical Conductivity, Dissolved Oxygen, Biological Oxygen Demand, Chemical Oxygen Demand, Turbidity, Total Solids, Total Dissolved Solids Nitrate, Phosphate and Ammonia. River water samples were collected between October 2023 to January 2024 from three sampling locations using standard methods. Results were analyzed using descriptive and inferential statistics. The Principal Component Analysis (PCA) extracted two components with high loadings that are responsible for the variations in sampling locations of Otamiri river in wet and dry seasons respectively. The study identified physico-chemical contamination of the river water from urban runoff, industrial, agricultural discharges and domestic/residential wastes. The study recommended seasonal treatment of the physico-chemical and microbial pollutants in the river water.

Date: 2024
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