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COSI (Community Self Improvement)

Founded in 1995 as a not-for-profit organization, COSI (Community Self Improvement) attempts to solve water, environmental sanitation and hygiene (WESH) problems across Sri Lanka. At COSI it is believed that “universal access to potable water and basic sanitation” is fundamental and non-negotiable.


185/ 3 Madawala Road
20800 Katugastota


Ranmini Udukumbure


94 - (0)81 - 2497997


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SuSanA Partners
(currently 231 partners)