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Study of physicochemical and Microbiological quality of Oued Bouskoura: Peri-Urbain of Casablanca, Morocco

Author Affiliations

  • 1Laboratory of Ecology and Environment, Faculty of Sciences Ben Sik, University Hassan II-Mohammedia, Casablanca, MOROCCO
  • 2 Laboratory of Microbiology and Hygiene of Food and Environment, Institute Pasteur of Morocco, Casablanca, MOROCCO

Int. Res. J. Environment Sci., Volume 3, Issue (5), Pages 60-66, May,22 (2014)


Monitoring of physicochemical and bacteriological parameters was studied at six sampling sites located along the Oued Bouskoura from its source to downstream. The study of various water pollution parameters during the period 2011-2012 showed the vulnerability of the water of the river against the pollution from waste water. Results showed that physicochemical properties of the water were closely related with the distribution of coliforms. Principal component analysis (PCA) shows a strong correlation between the parameters of organic pollution (Pt, PO, NH, NO, COD and BOD 5) and fecal contamination (CT, CF, SF). Thus, it has highlighted on the one hand, the degradation of downstream water quality of the river with a strong organic pollution accompanied by fecal contamination caused by discharges of the industrial zone Lissassfa and Nassim agglomerations. On the other hand, the natural mineralization of the Oued Bouskoura waters was confirmed by high levels (EC, Sal, Cl, SO). The monitoring of the parameters of fecal contamination, total coliforms (TC), fecal coliforms (FC), fecal streptococci (FS) shows that the bacterial load of these germs largely exceeds water intended for irrigation guidelines of the World Health Organization's (WHO).


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