Citarum River, Indonesia, has been called the world’s most polluted river. Around 5 million people live in the river’s basin, and most of them rely on its flow for their water supply.
Citarum River has an important role in the life of the people of West Java, as it is used to support agriculture, water supply, fishery, industry, sewerage, electricity etc. There are three hydroelectric powerplant dams installed along this river; Saguling, Cirata, and Ir. H. Djuanda (Jatiluhur) hydroelectric powerplants, all supplying the electricity for Bandung and Greater Jakarta area.