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Bacteriological and physicochemical studies of ground-water in Beith Lahia-Gaza Strip- Palestine [electronic resource].

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Hussain, A. A

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Language: English Summary language: Arabic Description: P. 247-263Other title:

دراسات بكتريولوجية و فيزيقوكيميائية للمياه الجوفية فى منطقة بيت لاهيا – قطاع غزة –فلسطين [Added title page title]

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Egyptian journal of microbiology, 2003 v.38 (3) [electronic resource].

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In: Egyptian Journal of Microbiology 2003.V.38(3)Summary: Twenty wells of groundwater located in the vicinity of wastewater ponds were investigated to indicate the levels of water pollution during the four seasons of year (2000- 2001). Water samples were tested for the indicators of faecal pollution, heterotrophic plate count (HPC) at 25 and 37°C, total coliform, faecal coliform, faecal streptococci, Clostridium perfringens, Pseudomonas aeruginosa, Campylobacter and Salmonella. Bacteriological analysis revealed that HPC at 25°C exceeds that was counted at 37°C in the examined water samples. A marked seasonal variation on the bacterial counts was observed where the high counts of most organisms were obtained in winter months. It recorded 130,120 CFU/ml for TC and FC, respectively in the most contaminant well No. (13), corresponding to 110, 90 CFU/ ml in autumn season. Also, the secondary indicator microorganisms appeared relatively low counts while Salmonella sp. was not detected.

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Twenty wells of groundwater located in the vicinity of wastewater ponds were investigated to indicate the levels of water pollution during the four seasons of year (2000- 2001). Water samples were tested for the indicators of faecal pollution, heterotrophic plate count (HPC) at 25 and 37°C, total coliform, faecal coliform, faecal streptococci, Clostridium perfringens, Pseudomonas aeruginosa, Campylobacter and Salmonella. Bacteriological analysis revealed that HPC at 25°C exceeds that was counted at 37°C in the examined water samples. A marked seasonal variation on the bacterial counts was observed where the high counts of most organisms were obtained in winter months. It recorded 130,120 CFU/ml for TC and FC, respectively in the most contaminant well No. (13), corresponding to 110, 90 CFU/ ml in autumn season. Also, the secondary indicator microorganisms appeared relatively low counts while Salmonella sp. was not detected.

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