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This paper describes how the ASTRA tool can help identify potentially appropriate technical solutions fro the delivery of arsenic and saline-free drinking, either by treatment or the selection of alternative water sources.

TitleDecision-support for arsenic- and salt-mitigation in Bangladesh : the ASTRA approach
Publication TypeConference Paper
Year of Publication2014
AuthorsSzántó, G, van Halem, D, Rietveld, LC, Olivero, S, Adams, A, Roy, DC, Barendse, J, Baby, K, Hoque, MM, Dogger, JM
Corporate AuthorsIRC
Secondary Title37th WEDC International Conference, Hanoi, Vietnam, 2014 : sustainable water and sanitation services for all in a fast changing world
Pagination7 p. : 2 fig., 1 tab.
Date Published09/2014
PublisherWater, Engineering and Development Centre (WEDC), Loughborough University of Technology
Place PublishedLoughborough, UK
Publication LanguageEnglish
Keywordssaline water

Bangladesh faces a growing water crisis. Limitations to safe water access arise from the widespread pathogenic contamination of its waters, the severe arsenic contamination of its aquifers and the growing salinity in the country's coastal regions. Although appropriate methods are identified for some of these contexts, it is particularly complex to determine resilient water supply solutions for the low-income, rural areas of Bangladesh. The ASTRA tool is developed to support the identification of potentially appropriate drinking water methods in this context. It can be seen as the combination of a multidisciplinary sourcebook and a decision-support instrument. This paper outlines the three main mitigation routes involved as the (i) targeting of contamination-free groundwater, (ii) treatment of arsenic- and salt contaminated aquifers and (iii) utilization of non-groundwater sources. The paper also describes the included water supply methods and related context factors that were used to determine the functional ranges of each method included.


Includes 9 ref. Refereed paper 2045




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