Saba village is located in Gianyar regency near by the coastal area, which is currently ±9,176 inhabitants. Water is a major necessity for life processes on earth, which means water is very important to human life. Potential water of the river flows from upstream to downstream wasted into the sea through the river estuary. Water as the most important natural resources often had a problem in its existence of its circulation and its spreading, therefore it is necessary to conserve water. This

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... arch examines the development of water potential in the river estuary based on the society for water conservationin Saba village based on SWOT analysis. Data collected:water potential, watershed topography, Saba village management structures, environmental conditions at river estuary and beaches.Analysis of potential water data using Ribasim software. The result is the water potency in dry season 0.88 m 3 /s, and rain season 1.141 m 3 /s. The potential water in the river estuary can be developed by the society by prioritizing the society initiatives that is the ability of management and maturity of a uniform society. The society thinks, formulates, plans, implements, and evaluates the needs in the development of water potentials submitted to Saba society organizations.