Limited water availability during the dry season is one of the challenges faced by the community of RT 09 in Nagasari Village, Bekasi Regency. Although water aid has been distributed, limited household storage capacity means that the water received cannot be used optimally between distribution rounds. This community service project aims to increase water storage capacity while strengthening the community’s ability to adapt to drought. The activity was carried out using the Participatory Action Research (PAR) approach in four stages: problem identification, planning, implementation, and evaluation and reflection. The results of the activity showed that the intervention resulted in two communal water tanks, each with a capacity of 1,000 liters, for a total additional storage capacity of 2,000 liters. The tanks can serve as buffer storage to store and provide a water reserve during distribution gaps. To ensure the sustainability of these benefits, facility maintenance, community-based management, and the development of follow-up strategies such as increasing storage capacity and rainwater harvesting are required.
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