Description
Analysis on selected physico-chemical and microbiological properties of upper Otamiri river.
Abstract
Water samples were collected from Otamiri River at three different sites (Egbu, Emmanuel Collage and Polytechnic Junction Nekede) for a period of four months. The water samples collected were analyzed for some physico-chemical and microbiological parameters which include PH, Temperature Total dissolved solids, BOD, Dissolved Oxygen Zinc, Copper (heavy metals) colour, Odour, Taste, Appearance using standard procedures. The physio-chemical parameters investigated and their mean values for the rainy months and that of the dry months are as follows: Temperature 24.60c (33.30c), PH 6.27 (7.97), conductivity 23.7sus/cm3 (73.08 us/cm3) TSA 11.87 mg/l (57mg/l), TSS 2.53mglc (4.3mg/l), colour 58.3 PTCO (81.7 PTCO), Dissolved oxygen 4.5mglc, BOD 3.42mglc, Copper 0.20(0.12mg/l), Zinc 0.34mglc (0.12mg/l), Nitrate 0.2 (0.68mg/l) and fecal coliform was above WHO standard for drinking water. The results showed that water from Otamiri River is unsafe for drinking since the values of most parameters investigates did not meet the WHO standard and could be a public health concern .
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