Groundwater decrease in Dhaka - research, the problems and counteractive steps to curb
Groundwater decrease in Dhaka Faizul Khan Tanim gets the lowdown on the problems with groundwater extraction from researchers, Dhaka WASA and a Rajuk town planner and searches for possible solutions in the face of the water crisis ‘We are now going 200 to 300, and in some cases even 500 feet deep to raise groundwater, and in some very special cases, even 1000 feet. This is alarming. There is a demand of around 200 crore liters of water per day but WASA’s capacity of production is 190 crore litres/day and of that we can only supply 170 crore litres/day presently,’ a senior WASA official reports. He adds, ‘Dhaka is dependent primarily on groundwater for the urban water supply and about 85 per cent of the present municipal water supply comes from groundwater and 15 per cent is from surface water. And the rate at which the groundwater level is decreasing on an average is one metre per year. Too much use of deep tube wells is not at all good but until we have an alternative, there is ...