Effectiveness of Membrane Filtration to Improve Drinking Water: A Quasi-Experimental Study from Rural Southern India

by Mark Rohit Francis, Rajiv Sarkar, Sheela Roy et al.
Am J Trop Med Hyg 2016 95:1192-1200; Published online September 6, 2016,

9 pp. 604 kB
http://www.ajtmh.org/content/95/5/1192.full.pdf+htmlcover

Since point-of-use methods of water filtration have shown limited acceptance in Vellore, southern India, this study evaluated the effectiveness of decentralized membrane filtration 1) with safe storage, 2) without safe storage, versus 3) no intervention, consisting of central chlorination as per government guidelines, in improving the microbiological quality of drinking water and preventing childhood diarrhea. The authors conclude that microbiologically, the membrane filters decreased fecal contamination; however, provision of decentralized membrane-filtered water with or without safe storage was not protective against childhood diarrhea.

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