- The document summarizes a study on the water quality and supply system in Dhaka City, Bangladesh. It finds that about 64% of city dwellers do not use water from the Dhaka Water Supply and Sewerage Authority (DWASA) for drinking due to bad smell, and the remaining 36% boil the water before drinking. - The study included a questionnaire survey of 100 households and water quality tests from different locations. Test results showed pH, BOD, COD, arsenic, hardness, and turbidity levels met Bangladesh and WHO standards except for one location. - The water supply system in Dhaka faces challenges including a large gap between supply and demand, heavy reliance on ground