Figure : Abstractions by DWASA & Private Wells in Dhaka and Narayanganj City Supply from Surface Water Sources Dhaka WASA has four Surface Water Treatment Plants in Dhaka and Narayanganj City for supplying water covering eighteen (18) percent of total supply. The Surface Water Treatment Plants are Dhaka Water Works at Chadnighat, Narayanganj Water Works (East and West) and Saidabad Surface Water Treatment Plant. Dhaka Water Works at Chadnighat is the oldest one and Saidabad Surface Water Treatment Plant has the largest capacity and latest one. Narayanganj Water Works East has the lowest capacity of supply and most of time it was found not in operation due to technical difficulties. Design Production Capacity in Million Litres per Day (MLD) of those treatment plants are shown in Table 4.5. Actual Production Capacity in Million Litres per Day (MLD) of these treatment plants are shown in Table 6.6. Table : Design capacities of surface water treatment plants
Table : Actual Capacities of Surface Water Treatment Plants