Since August 2009 a Pond Sand Filter (PSF) in Gosaba has provided 200 people and the close by hospital with safe drinking water. The filter is designed by students on behalf of UBU and has been working for more than 2 years. A local group has been tought to make monthly tests for bacteria in the water as well as being responslibe for the maintenance of filter and the pond where it is installed. The filter has become polular with the the local people and more is now on their way.
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