Water quality assessment of the Semenyih river, Selangor, Malaysia

Fawaz Al-Badaii, Mohammad Shuhaimi-Othman, Muhd Barzani Gasim

    Research output: Contribution to journalArticle

    36 Citations (Scopus)

    Abstract

    This study was carried out to determine the Semenyih River water quality based on the physicochemical and biological parameters. The sampling was conducted in dry and rainy seasons during 2012. Water samples were collected from 8 stations along the river and analyzed using standard methods. The results showed that temperature, pH, conductivity, TDS, SO4, and TH were classified as class I, while DO, turbidity, and BOD were categorized under class II, and NH3-N, TSS, COD, and OG were categorized as class III based on NWQS, Malaysia. Moreover, NO3 was classified under class IV, while PO4 and FC were categorized as class V and exceeded the allowable threshold levels. Therefore, the river was slightly polluted with NH 3-N, TSS, COD, and NO3, whereas it is extremely contaminated with PO4 and FC. Furthermore, cluster analysis classified 8 sampling stations into three clusters based on similarities of water quality features. Furthermore, factor analysis of the water quality datasets generated three factors with total variance of 94.05% and pointed out that water quality deterioration in the river was associated with industrial and agricultural activities, livestock farming, and erosion. Therefore, the river water can be used for irrigation with precaution but extensive treatment needed before using for domestic purposes.

    Original languageEnglish
    Article number871056
    JournalJournal of Chemistry
    DOIs
    Publication statusPublished - 2013

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    Water quality
    Rivers
    Sampling
    Water
    Biochemical oxygen demand
    Cluster analysis
    Factor analysis
    Turbidity
    Irrigation
    Farms
    Deterioration
    Erosion
    Temperature

    ASJC Scopus subject areas

    • Chemistry(all)

    Cite this

    Water quality assessment of the Semenyih river, Selangor, Malaysia. / Al-Badaii, Fawaz; Shuhaimi-Othman, Mohammad; Gasim, Muhd Barzani.

    In: Journal of Chemistry, 2013.

    Research output: Contribution to journalArticle

    Al-Badaii, Fawaz ; Shuhaimi-Othman, Mohammad ; Gasim, Muhd Barzani. / Water quality assessment of the Semenyih river, Selangor, Malaysia. In: Journal of Chemistry. 2013.
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