Assessment of the Potability of Nworie River in Owerri Municipal, Imo State, Nigeria.

Assessment of the Potability of Nworie River in Owerri Municipal, Imo State, Nigeria.

Registration ID: IJNRD_204584

Published ID: IJNRD2311001

DOI: Click Here to Get

N. J. Okoro , U. U. Egereonu , B. N. C. Nlemchukwu , J. C. Egereonu , M. O. Ezeokoye , M. C. Igbomezie, and I. C. Obiagwu

Water Pollutant, Anthropogenic, Water Quality, Pollution Index, Microbial.

A survey of Nworie River was conducted in order to establish the current pollution levels of the river. An attempt has been made to the assessment of the potability of Nworie River, to treat the water sample by chemical method. The physical, chemical and microbiological parameters were investigated on the water samples collected from three different locations namely upstream (NRSW1), midstream (NRSW2) and downstream (NRSW3) Nworie River and the mean concentrations were obtained. The turbidity value, 2-20-3.50 NTU; temperature, 28.50-29.00oC; pH value, 6.18-6.49; electrical conductivity, 57.90-87.70µS/cm; TDS 26.63-40.34 (mg/l); TSS, 8.10-13.20 (mg/l); total alkalinity, 28.00-44.00 (mg/l); total hardness, 7.60-16.40 (mg/l); calcium hardness 6.98-16.40 (mg/l); magnesium hardness 0.00-0.77 (mg/l); DO, 2.10-2.60(mg/l); BOD, 3.00-5.80 (mg/l); COD, 0.00-48.22 (mg/l); chloride, 15.34-19.88 (mg/l); sulphate, 14.64-28.78 (mg/l); phosphate, 0.37-0.53 (mg/l); nitrate, 3.80-4.70 (mg/l); sodium, 0.00-0.0001 (mg/l); potassium, 2.5493-13.0172 (mg/l); iron, 0.0001-1.6815 (mg/l); and lead, 0.0001-0.0104 (mg/l). Total coliform count; E. coli; salmonella/shigella total count; vibrio total count; faecal coliform growth was confirmed; The results of the analysis were compared with the World Health Organization (WHO) standards and the water was found unfit for human consumption due to high pollution index of 2.15, high concentration of iron, low DO, high COD at the midstream, E. coli, and yeast/mould as a result of dumping of both organic and inorganic wastes into the Nworie River. The product-moment gave the correlation coefficient, r as -0.31, which implies that there is a low negative correlation between X, Y and Z i.e. between the upstream (NRSW1), midstream (NRSW2) and downstream (NRSW3) respectively of Nworie River water samples. Similarly, the test for significance using t-table at 19 degree of freedom at significant levels of 0.05, indicates that there is no significant difference between the mean concentrations of the upstream (NRSW1), midstream (NRSW2) and downstream (NRSW3) of Nworie River. The result of the treated water sample gave the following: The turbidity value,1.58 NTU; temperature, 29.00; pH value, 7.30; electrical conductivity, 116µS/cm; TDS 75.40 (mg/l); TSS, 10.00 (mg/l); total alkalinity, 50.00 (mg/l); total hardness, 3.47 (mg/l); calcium hardness 1.54 (mg/l); magnesium hardness 0.93 (mg/l); DO, 5.60 (mg/l); BOD, 0.25(mg/l); COD, 25.65 (mg/l); chloride, 25.56 (mg/l); sulphate, 0.00 (mg/l); phosphate, 0.60 (mg/l); nitrate, 5.00 (mg/l); sodium, 0.0001 (mg/l); potassium,11.00 (mg/l); iron, 0.2915 (mg/l); and lead, 0.0056 (mg/l). The results of the analysis were compared with the World Health Organization (WHO) standards and the water was found fit for human consumption due to the reduction in iron and COD level and the absence of E. coli and yeast/mould. The study shows the need for adequate waste management system in order to provide good quality water and to prevent the outbreak of pathogenic diseases in the area.

Published Paper   E-Certificate

"Assessment of the Potability of Nworie River in Owerri Municipal, Imo State, Nigeria.", IJNRD - INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT (www.IJNRD.org), ISSN:2456-4184, Vol.8, Issue 11, page no.a1-a25, November-2023, Available :https://ijnrd.org/papers/IJNRD2311001.pdf

Volume 8 Issue 11, November-2023

Pages : a1-a25

Paper Reg. ID: IJNRD_204584

Published Paper Id: IJNRD2311001

Downloads: 000121226

Research Area: Engineering

Country: -, -, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2311001.pdf

Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2311001

Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)

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