Optimizing the Citra Raya Conservation Lake as Raw Material for Clean Water Treatment in the Citra Raya Residential Area, Tangerang
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In Tangerang, Indonesia, the Citra Raya residential area relies on three Citra Raya Conservation Lakes as sources for clean water production. The area experiences flooding when the lakes overflow during the rainy season. Conversely, during the dry season, community access to clean water is disrupted due to a decrease in water discharge. This research was conducted to determine the water balance and to improve water management in the three lakes. The water demand study was carried out based on the number of active consumers in 2020, with projections made up to 2025. Flow characteristics and a basic planning month approach were used to analyze water availability. Water balance analysis was applied to compare the availability of reliable discharge with demand as a basis for optimization. Optimization was performed using linear programming. The optimization results indicate that the raw water availability in the conservation lakes is sufficient to meet the clean water demand of the Citra Raya area on a monthly basis. However, practical issues such as pipe leaks and legal violations create challenges. These problems necessitate further research.
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