Heavy metal presence in sediment became a concern to environmental health, especially in areas where the sediment was used by local community. Regional and central government regulate the standard of heavy metal content in river water, which is used by regional environmental protection agency for water quality monitoring program. The increasing number of industrial activities may also affect higher heavy metal contamination in several monitoring points. Previous studies show that the degradation of water quality in Upper Citarum is affected by the increasing area of agriculture fields in conservation zone, resulting in downstream erosion. ![]() more Heavy metal pollution in Citarum River has been known for years to correlate with the uncontrolled development in the upper part of the river. Heavy metal pollution in Citarum River has been known for years to correlate with the uncontrolle.
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