The river is heavily polluted by human activity; about five million people live in its basin.[9] Textile factories in Bandung and Cimahi were major toxic waste contributors.[10] More than 2,000 industries contaminate 5,020 sq miles of the river with lead, mercury, arsenic, and other toxins.[11] According to the documentary Green Warriors Indonesia by Martin Boudot, some of the other toxins include sulphites, nonylphenol, phtalates, PCB 180, paranitrophenol, tributylphosphate.