Indonesia Conference Directory

Diarrhea is a serious problem in developing countries. Escherichia coli is one of the bacteria causing diarrhea. For private well, dug well water by contaminated Escherichia coli should not be used for drinking. The presence of Escherichia coli in well water indicates the contamination of water with fecal waste. The objective of this study is to determine the spatial distribution of Escherichia coli which contaminates well water in household diarrhea cases based on social environmental factors in Yogyakarta City. The design of this study is a cross-sectional survey. The total samples were 302 dug well water taken from the houses of patients with diarrhea in Yogyakarta City, Indonesia. Most Probable Number methods were used to determine the bacteria of Escherichia coli contaminating well water. Geographical coordinate location of dug well water contaminated by Escherichia coli was determined using GPS. Spatial multi-buffer analysis is used to determine the distance of the well from river, landfills, and market. The results showed that 74% of Escherichia coli contaminating well water that is located less than 200 meters from the nearest river. The distance between of the well water from the temporary landfills were more than 500 meters. In addition, 61% well water was found further than 500 meters from the market. The conclusion is the majority of well water nearby the river had been contaminated by Escherichia coli.