An integrated study of health risk assessment, pollution indices and cluster analysis has been carried out to assess the pollution and heavy metal sources in the groundwater. Certain elements analyzed exceed the prescribed limits of WHO standard. Health risk index reveals risk of toxicity through oral pathways is less, as almost all trace elements are < 1. The distribution pattern of heavy metal pollution index, heavy metal evaluation index and degree of contamination indicates the pollution is due to urban activities. Sources were determined by cluster analysis, and it resulted in three clusters.

中文翻译：

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源性控制的山麓含水层地下水中的痕量金属异常及其对健康的影响

已经对健康风险评估，污染指数和聚类分析进行了综合研究，以评估地下水中的污染和重金属来源。分析的某些元素超过了WHO标准的规定限值。健康风险指数显示，通过口服途径引起的毒性风险较小，因为几乎所有痕量元素均小于1。重金属污染指数的分布方式，重金属评估指数和污染程度表明污染是由于城市活动造成的。通过聚类分析确定来源，并导致三个聚类。