Jiwa S F, Mugula J K, Msangi M J
Department of Veterinary Microbiology and Parasitology, Sokoine University of Agriculture, Morogoro, Tanzania.
Epidemiol Infect. 1991 Dec;107(3):479-84. doi: 10.1017/s0950268800049177.
Bacteriological quality of potable water supplying Morogoro municipality and its outskirts (population 135,000 people) was assessed by the determination of the most probable number (MPN) of faecal coliforms, Escherichia coli, faecal streptococci and Clostridium perfringens for a period of 6 months. River water and chlorinated pipeborne water were found contaminated with microorganisms in the order of 3.8 x 10(1) to 4.95 x 10(3); 3.2 x 10(1) to 4.5 x 10(3); 10(1) to 6.4 x 10(1) and 1.2 x 10(1) to 2.5 x 10(2)/100 ml of water respectively. Injured coliforms in treated water averaged 87%. Pollution of river water by organic matter was much above acceptable standard. These findings indicate that there is a need for further treatment of water before consumption in order to avoid potential health hazards.
通过测定粪便大肠菌群、大肠杆菌、粪链球菌和产气荚膜梭菌的最可能数（MPN），对供应莫罗戈罗市及其郊区（人口13.5万）的饮用水进行了6个月的细菌学质量评估。河水和经氯化处理的管道供水被发现受到微生物污染，其污染程度分别为每100毫升水中有3.8×10¹到4.95×10³；3.2×10¹到4.5×10³；10¹到6.4×10¹和1.2×10¹到2.5×10² 。处理后水中受损大肠菌群平均为87%。河水中有机物污染远高于可接受标准。这些结果表明，为避免潜在的健康危害，在饮用水之前需要对水进行进一步处理。
