A research group has introduced a crowdsourcing technique to measure the quality of drinking water. This technique can prove to be a boon for a country like India where only 10 million service points monitor the quality of drinking water for people in rural areas. The National Environmental Engineering Research Institute (NEERI) and the London School of Hygiene and Tropical Medicine participated in the research, sponsored by the US Institute of International Education. The crowdsourcing technique, which requires 53-cent (32-rupee) test kits and a high penetration of mobile phone services in the country, can help people in villages check the quality of their water sources and address the shortcomings according to findings. After successful pilots in eight villages near Nagpur in Maharashtra this summer, the researchers are now planning widespread evaluation in 2015. If they succeed, the technique would be implemented in other countries too.

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