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Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
There is a new shift in political interest in sanitation in India with the newly launched Swacha Bharat Abhiyan on 2 October 2014.
The devastating earthquake of 2005 severely damaged over 4000 water and sanitation schemes in northern Pakistan.
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice