FIELD RESEARCH ON DOMESTIC WASTEWATER FROM A SLUM IN BANDUNG CITY

摘要

Many metropolises in Southeast Asia have slums, where the water environment and hygiene conditions have deteriorated on account of untreated wastewater. In this study, field research on water use, wastewater, and its effect on a river in dry season was conducted at a slum in Bandung. This study showed the actual conditions in the slum where most of the domestic wastewater was discharged with no or inadequate treatment. From the comparison of pollutant flux between domestic wastewater and canal water, the runoff rate was evaluated as roughly 0.7, 0.4, and 0.4 for NH_4-N, PO_4-P, and COD, respectively. Domestic wastewater seemed as the main cause of water pollution. The pollutants originating from excreta were estimated at 16%, 44%, and 31% of the domestic wastewater in NH4-N, PO4-P, and COD, respectively. The improvement of the slum sanitation system appears to be of high priority.