The big challenge in developing of community based water sypply is the issue of 'sustainability. The failures and success of community based management are determined by some factors, they are technical, social, financial, community institution and environment. In this paper the case study is in Cibodas Village as a best practice community based water supply which has been conducting since 1984 until now. The objective is to obtain the lesson learned for implementation of policy of community based water supply. Methodology of data collection is by field observation, questionnare, interview, and the analysis by descriptive analysis. The succes factors of water supply management are because of potencial water resourcese, the trust of the consummer to the community Water Body, community rules and commitment of the consumers, good administrative water management. Is is recommended the community is as the subject in commnity based management.