Sewage Effluent Causes Metal Pollution of a Sub-tropical River System in Zimbabwe

T. Dube; M. Chibanda; B. Manhire; C. Rutanhira; C. Mabugu; C. Makaka; J. Makaure; T. Muteveri

doi:10.1007/s00128-020-02798-w

Sewage Effluent Causes Metal Pollution of a Sub-tropical River System in Zimbabwe

T. Dube, M. Chibanda, B. Manhire, C. Rutanhira, C. Mabugu, C. Makaka, J. Makaure, T. Muteveri

School of Life and Medical Sciences

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Metal pollutants are persistent in the environment and of concern to human health. The aim of the study was to assess the distribution of metals (Cr, Fe, Pb, Mg and Cu) in Sebakwe River. Water and sediment samples were collected from upstream reference sites (4 and 5) and influenced downstream sites (1, 2 and 3) of the sewage effluent discharge point. Pb concentrations in water were significantly higher (p < 0.05) in sites 1 and 2 downstream of the sewage discharge point. In the sediments, the sites downstream of the effluent discharge point had significantly higher concentrations of Cu (p < 0.05) and Cr (p < 0.05). A comparison of metal concentration in water with World Health Organization and Standards Association of Zimbabwe standards revealed that the levels of Pb in water were above the recommended limits, posing a health risk to Pb poisoning for people living along Sebakwe River.

Original language	English
Pages (from-to)	339-344
Number of pages	6
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	104
Issue number	3
DOIs	https://doi.org/10.1007/s00128-020-02798-w
Publication status	Published - 1 Mar 2020

Keywords

Metal pollution
Sediments
Sewage effluent
Water

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abstract = "Metal pollutants are persistent in the environment and of concern to human health. The aim of the study was to assess the distribution of metals (Cr, Fe, Pb, Mg and Cu) in Sebakwe River. Water and sediment samples were collected from upstream reference sites (4 and 5) and influenced downstream sites (1, 2 and 3) of the sewage effluent discharge point. Pb concentrations in water were significantly higher (p < 0.05) in sites 1 and 2 downstream of the sewage discharge point. In the sediments, the sites downstream of the effluent discharge point had significantly higher concentrations of Cu (p < 0.05) and Cr (p < 0.05). A comparison of metal concentration in water with World Health Organization and Standards Association of Zimbabwe standards revealed that the levels of Pb in water were above the recommended limits, posing a health risk to Pb poisoning for people living along Sebakwe River.",

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AU - Dube, T.

AU - Chibanda, M.

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AU - Rutanhira, C.

AU - Mabugu, C.

AU - Makaka, C.

AU - Makaure, J.

AU - Muteveri, T.

N1 - Funding Information: We thank the Research Board of Midlands State University for financing the study. We are grateful to Mr. Tinashe Chokera and Ms Mitchell Dube for assistance with the collection of samples. Publisher Copyright: © 2020, Springer Science+Business Media, LLC, part of Springer Nature.

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N2 - Metal pollutants are persistent in the environment and of concern to human health. The aim of the study was to assess the distribution of metals (Cr, Fe, Pb, Mg and Cu) in Sebakwe River. Water and sediment samples were collected from upstream reference sites (4 and 5) and influenced downstream sites (1, 2 and 3) of the sewage effluent discharge point. Pb concentrations in water were significantly higher (p < 0.05) in sites 1 and 2 downstream of the sewage discharge point. In the sediments, the sites downstream of the effluent discharge point had significantly higher concentrations of Cu (p < 0.05) and Cr (p < 0.05). A comparison of metal concentration in water with World Health Organization and Standards Association of Zimbabwe standards revealed that the levels of Pb in water were above the recommended limits, posing a health risk to Pb poisoning for people living along Sebakwe River.

AB - Metal pollutants are persistent in the environment and of concern to human health. The aim of the study was to assess the distribution of metals (Cr, Fe, Pb, Mg and Cu) in Sebakwe River. Water and sediment samples were collected from upstream reference sites (4 and 5) and influenced downstream sites (1, 2 and 3) of the sewage effluent discharge point. Pb concentrations in water were significantly higher (p < 0.05) in sites 1 and 2 downstream of the sewage discharge point. In the sediments, the sites downstream of the effluent discharge point had significantly higher concentrations of Cu (p < 0.05) and Cr (p < 0.05). A comparison of metal concentration in water with World Health Organization and Standards Association of Zimbabwe standards revealed that the levels of Pb in water were above the recommended limits, posing a health risk to Pb poisoning for people living along Sebakwe River.

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KW - Sewage effluent

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ER -

Sewage Effluent Causes Metal Pollution of a Sub-tropical River System in Zimbabwe

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Keywords

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