The aim of this research is more to understand how to local people in strengthening the capability of water scarcity to availability, mainly in hilly areas is the one place that susceptible to climate change impacts, which drought is the one problem on the dry season in rural areas. The "Jamban systems" is the one model type developed as adaptation process in meeting the demand of family or social community-scale, which each of the people tried of taking advantage water scarcity optimally, where they were tried to be managed of the water scarcity in the surroundings of their dwelling finely and continually. A qualitative research study and purposive sampling were used to data collection, alongside reinforced by the direct observation and in-depth individual interview method, which were at least 25 respondent and it's based on ecosystem types. The result of this research shown that the most of local people have utilized water kindly, optimal, and sustain in their alive, which it's also optimized used to water scarcity by employing of type, alongside its part of adapting and mitigating process to climate change impacts dynamically.