MULYONO’S family has not used water that the Provincial Water Company (PDAM) of Semarang distributes for cooking for a long time, around 10 years. Although the water looked clear, the inhabitant of Simongan, West Semarang, doubted its hygiene. It tasted brackish and was somewhat smelly. Therefore, the father of two children chose to buy mineral water for cooking and drinking. “What more can I do? I am afraid if there are problems,” he expla