70pc WASA pump stations lack disinfection system
Some 70 per cent pump stations of Dhaka Water Supply and Sewerage Authority (WASA) are operating without dis-omfection system due to lack of chlorine gas, absence of operators and mechanical
Some 70 per cent pump stations of Dhaka Water Supply and Sewerage Authority (WASA) are operating without dis-omfection system due to lack of chlorine gas, absence of operators and mechanical