Abstract
This study aims to evaluate a feasibility of community based water management system(CBWMS), as one of solution against infrastructure in population decreasing area. According to field results, current CBWMS are performing low cost management compare to municible water supply, on the basis of (1) maintenance by community, (2) users' and managers' concensus and high acceptability for temporal incombinient such as water cut-off, (3) works relating to management are manageable in their subsistence activities. On the other hand, current CBWMS do not have sufficient system about (4)risk management design and (5) asset data management. Thus, future CBWMS needs easy and simple technology package for community based management, and also needs support system from local and central government and water specialists.