Microbiological survey of the bathing water of moroccan beaches from Mehdia to Skhirat

Abstract—The Moroccan coastline occupies a privileged place at the level of the entire coastline of the African continent. The quality of bathing water is a criterion increasingly demanded by the general public for the choice of its holiday resorts. Main objective of this present study is to find out the status of to find status of bathing water through physicochemical and microbiological examination.

Sampling was done from 8 beaches of Kenitra Mehdia, Nations, Rabat-Sale, Harhoura, Temara, Golden Sand, Val D’or and the beach of Skhirate Amphitrite. Bacteriological evaluations were done & presence of feacal Coliforms and/or Streptococci was considered as indicative of faecal pollution. Enumeration of faecal Coliforms and faecal Streptococci was done by filter membrane method on nutrient media Tergitol7 Agar, Litskey, Slanetz & Bartley. In addition to microbiological sampling of water, temperature and pH of the water were measured “in situ”. Data related to the tide (high or low) and populations were collected.

Regarding bacterial load of beaches in present study it was found that at Mehdia beach, Nations beach, Rabat-Sale beach, Temara beach, Harhoura beach, Sable D’or beach and at Skhirat beach the contamination standard is exceeded in 30% of samples for CF and 20% for SF, 10% for CF and 0% for SF, 100% of the samples for CF and 70% for SF, 50% for CF and in none (0%) for SF, 20% for CF and 10% for SF, 30% for CF and 10% for SF and 40% for CF and 10% for SF respectively. But at Val D’or beach in none of sample exceed the guide value (VG) for faecal Coliform and fecal Streptococci. So the beaches of the Nations, Harhoura and Val D’or are classified A. The beaches of Mehdia, Temara, Golden Sand and Skhirat with medium quality waters are classified B. Only the beach of Rabat-Sale was found polluted and classified in category C.

Keywords: Coastline Pollution, Microbiology, Coliforms, Streptococci, Morocco.

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Medical Journal: Microbiological survey of the bathing water of moroccan beaches from Mehdia to Skhirat

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