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Abstract
Regular water quality monitoring of the water resources is necessary to assess the quality of water for ecosystem health and hygiene, industrial use, agricultural use and domestic use.The current study aimed to detect contamination of drinking water with bacterial pathogens in Cairo and Giza. Therefore, it was conducted on water samples from different localities in the two governorates. Water samples (n=138) included 15 samples from 5 main stations and the other 123 were from the networks collected from different locations in the period between May 2015 to February 2016. The bacteriological examination of water samples included numbers of total coliform, Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa, Clostridium perfringens using membrane filter technique and heterotrophic plate count at 35{u00B0}C and 22{u00B0}C. The results showed that coliform was the highest level of prevalence (43%) followed by Pseudomonas aeruginosa (38%) followed by E. coli (37%) then Enterococcus faecalis (34%) and there was no detection of Clostridium perfringens