Heavy metal contamination of Ciliwung River, Indonesia

Elfidasari, Dewi and Ismi, Laksmi Nurul and Sugoro, Irawan (2019) Heavy metal contamination of Ciliwung River, Indonesia. Ecology & Safety, 13. pp. 106-111. ISSN 1314-7234

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Abstract

River Stream Area (DAS) of Ciliwung gives many advantages to its surrounding people, however, nowadays this river stream area of Ciliwung has been heavily polluted. One of the most harmful pollutant components for people is the existence of heavy metals. The high number of people doing activities surrounding the river area may contribute to the increase of metal contents in the river. The aim of this research is to prove that there is an increase level of heavy metal pollutant in Ciliwung River. The methodology that was used to analyze the content of heavy metal in Ciliwung River was X-Ray Flourescence (XRF) in part per million (ppm) unit. The result of this research shows that there is an increase in heavy metal pollutants of Cd, Hg, and Pb in the water of Ciliwung River that is located from Bogor to Jakarta that exceeds the standard of PP RI No.82 year 2001. The highest heavy metals pollution occurs in the river stream area of Ciliwung Jakarta. Respectively, the order of heavy metal concentration ranging from the highest to the lowest in Ciliwung River is Mn, Zn, Cu, Cd, and Hg.

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