Fulfillment of the need of clean drinking water in urban areas is increasing, so that bottled water products are in great demand. However, bottled drinking water is relatively expensive, thus, the refill drinking water products arise due to its more affordable price. Nevertheless, the quality of drinking water presenting in the community needs to be considered microbiologically, as it is potentially contaminated by bacteria such as E. coli and coliform that cause various digestive problems. One of the diseases caused by bad quality of drinking water is diarrhea. Diarrhea is one of the most common diseases in Indonesian society.