Bio Sand Filter:
Bio Sand Filter (BSF) is a water filter that makes dirty water safe to drink. It can be used in homes, schools & offices and can be made of concrete or plastic. It is filled with layers of sand and gravel that are carefully prepared to put inside the filter. The Bio Sand Filter falls under the ”Filter Your Water” steps of the multi. barrier approach to safe water. SGF took initiative to aware the people of water contamination in Assam at Udalgiri district. People here use the river water stored in the ponds they have made in front of their homes. After the survey, SGF team found out that this water was not drinkable, not clear, muddy, lot of bacteria etc. Due to this, people are born with water born/ related diseases and have frequent stomach ache which led them to spend lot of money on medicines. SGF installed Bio Sand Filter in 200 families in Udalgiri district.
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