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Water works: how a simple technology in Dhaka is changing the way people get clean water

Daphna Berman's picture

Amy Pickering laughs when she thinks of all the things that went wrong with the impact evaluation she recently completed of a water chlorination project in the slums of Bangladesh’s capital city Dhaka: delays, monsoons, and more delays.

“It was the hardest project I’ve ever done,” says the seasoned research engineer, now a professor at Tufts University, who was working on a project funded through the World Bank’s Strategic Impact Evaluation Fund.  

Clean water is an issue in Dhaka and other overcrowded cities in the region, where contamination by bacteria can lead to high rates of diarrhea, harming children’s growth and health. For Pickering, who specializes in water quality and diarrheal disease, the challenge was finding a water treatment technology that could work without electricity and operate in Dhaka’s extreme weather. 

Amy Pickering, a professor at Tufts University, working on a water chlorination project in the slums of Bangladesh’s capital city Dhaka