2024年桐乡市生活饮用水中3种重金属的健康风险评价

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中图分类号：X820.4 文献标识码：A 文章编号：1008-9500（2025）10-0076-03

DOI： 10.3969/j.issn.1008-9500.2025.10.023

Abstract： Inorder tounderstand the pollution situation of arsenic，cadmium，andlead indrinking water in Tongxiang cityin 2024and assess their health risks，inductivelycoupled plasma-massspectrometry isused todetectthe massconcentrations of three heavy metals inTongxiang city’sdrinking waterin 2O24，and the health risk modelrecommendedbythe US Environmental Protection Agency is used to evaluatethehealth risksof exposure throughdrinking waterroutes.The results show that the qualified rate of three heavy metals in the drinking water of Tongxiang city is 100% . In different water samples， the carcinogenic risk values of arsenic are between 10-6 and 10-4 ， indicating a certain degree of carcinogenic risk，and the noncarcinogenic risk of arsenic is lessthan 1.Therisk ranking forboth carcinogenicand non-carcinogenic risks was identicalacrossthediferent watersamples，inthedescending orderof： terminal waterinthe pipeline network，secondary watersupply，and finished water.Inthedrinking waterof Tongxiang city，threeheavy metalsshownopollution level，and arsenic is the main pollutant with health risks，which should be given special attention.

Keywords： drinking water; heavy metal; health risk assessment

水安全直接关系到人类的生命健康，其中 80% 的人类疾病与饮用水污染有关。（剩余3810字）