Population growth over recent years in Depok has increased demand for fresh water for daily necessities. These necessities include the fresh water required by both settlements and commercial operations. The purpose of this study is to analyse the demand for fresh water created by the population growth of Depok in realising its development as a sustainable city. This study uses a quantitative approach presented through narrative analysis. In 2016, the average water requirement of Depok's population of 2,180,000 people was 3,070 litres/second in the dry season and 5,983 litres/second in the rainy season. Population projections for 2030 suggest that the population of Depok will have increased to 3,543,101 people, and that the average water requirement will then be 4,990 litres/second in the dry season and 9,724 litres/second in the rainy season. Planning alternatives proposed to meet these needs include improving the evaluation of freshwater production capacity and developing freshwater supply systems. Thus, it expected that the projected freshwater needs of Depok in 2030 can be fulfilled. This expectation can be managed and achieved through participation by society and government. However, obstacles are still faced, mainly due to more recent cultural attitudes towards using water.

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