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OBJECTIVE: To determine the frequency of microbiological contamination of water in different water filtration plants in Islamabad. STUDY DESIGN: Descriptive cross-sectional study. PLACE AND DURATION OF STUDY: Water Filtration Plants (WFP) in different sectors of Islamabad, from April to September 2012. METHODOLOGY: Water samples were collected in sterilized bottles according to the standard water sampling protocol from site and transported to Pakistan Council for Research in Water Resources (PCRWR) for analysis. Microbiological quality of water was determined in terms of total coliforms ( 0.05) between microbiological contamination and the sectors. CONCLUSION: Less than half of the water samples of the WFP were contaminated while certain sectors showed more frequent contamination than others.
Hisam et al. (Thu,) studied this question.