Abstract
Data from the Malang City Health Office shows the increasing number of refill drinking water depots in the city of Malang until 2013 there were 163 drinking water depots scattered in each Malang Subdistrict. The purpose of this study was to determine the contamination of Escherichia coli refill drinking water in drinking water depots in Malang. The samples taken were 20 refill drinking water depots in Malang. Sampling is done by simple random sampling. Escherichia coli examination using the Most Probable Number Test. Of the 20 samples tested, 2 samples met the requirements of drinking water quality according to PERMENKES and 18 other samples containing the number of coliform bacteria exceeding the maximum limit of 0 per 100 ml of water. There were Escherichia coli in 10 samples while 8 other samples contained other coliform bacteria.
Highlights
Water is a chemical compound whose function is very important for the lives of human beings and other living things (Mukaromah & Yusrin, 2010)
The research was conducted in several major cities such as Jakarta, Bandung, Medan, and Surabaya. The results of these two institutions showed that refill drinking water was contaminated with coliform bacteria, Escherichia coli, Salmonella sp., and even
Microbiology examination using the Most Probable Number Test consisting of presumptive test using Lactose Broth (LB) medium, confirmative test using Brilliant
Summary
Water is a chemical compound whose function is very important for the lives of human beings and other living things (Mukaromah & Yusrin, 2010). The mandatory parameters for microbiological drinking water quality determination are the total coliform bacteria, which are 0 per 100 ml of water and Escherichia coli. In terms of fulfilling drinking water needs, the community consumes refill drinking water depots. Various previous studies in various major cities in Indonesia showed refill drinking water was less safe or contaminated with bacteria that could harm human health. The research was conducted in several major cities such as Jakarta, Bandung, Medan, and Surabaya The results of these two institutions showed that refill drinking water was contaminated with coliform bacteria, Escherichia coli, Salmonella sp., and even. This study aims to determine the contamination of Escherichia coli refill drinking water at drinking water depots in Malang, East Java province
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