Environmental & Economic Valuation of Raw Water Resource of East Flood Canal DKI Jakarta

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Abstract

The increasing of raw water requirement for people in DKI Jakarta is caused by population growth, so there is a need to improve water source to fulfill daily need of raw water. One of the sources of raw water in DKI Jakarta PDAM comes from Jatiluhur/STB (Kalimalang) reservoir, 81% of raw water in DKI Jakarta PDAM uses raw water in the Jatiluhur Reservoir (PDAM DKI Jakarta, 2014 Efforts to improve raw water sources one of them by utilizing the east flood canal river (BKT), then a proper calculation of economic and environmental analyzes is required. This study aims to analyze the economic and environmental feasibility of STB (Kalimalang) and BKT River as raw water utilization. Pollutant source factor analysis using the water quality test method on the source and economic feasibility was carried out using Net Present Value (NPV), Benefit Cost Ratio (BCR), and Internal Rate of Return (IRR). The results of the economic feasibility value of the indicator used with the BCR, NPV method, IRR shows that it is feasible to be used as raw water utilization on the BKT River, because it shows the feasibility indicator is positive NPV, IRR value is 20.3% and BEP is 13.5. The BKT river planned to add raw water supply to 1,000 L/second can serve 347,267 people. The conclusion of economic analysis and environmental feasibility is that the BKT river is feasible to be used as a sustainable source of raw water and can be used as additional raw water for people in DKI Jakarta.

Original languageEnglish
Article number012012
JournalIOP Conference Series: Earth and Environmental Science
Volume306
Issue number1
DOIs
Publication statusPublished - 5 Aug 2019
Event3rd Conference on Sustainability Science 2018, CSS 2018 - Bandung, Indonesia
Duration: 9 Oct 201810 Oct 2018

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