HEALTH RISK ASSESSMENT OF CENTRALIZED DRINKING WATER SOURCES IN SUZHOU

LIU Song-hua; ZHOU Jing; JIN Wen-long; TANG Ming; WU Jin

doi:10.13205/j.hjgc.202105030

Volume 39 Issue 5

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(5): 217-224

LIU Song-hua, ZHOU Jing, JIN Wen-long, TANG Ming, WU Jin. HEALTH RISK ASSESSMENT OF CENTRALIZED DRINKING WATER SOURCES IN SUZHOU[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 217-224. doi: 10.13205/j.hjgc.202105030

Citation:

LIU Song-hua, ZHOU Jing, JIN Wen-long, TANG Ming, WU Jin. HEALTH RISK ASSESSMENT OF CENTRALIZED DRINKING WATER SOURCES IN SUZHOU[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(5): 217-224. doi: 10.13205/j.hjgc.202105030

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HEALTH RISK ASSESSMENT OF CENTRALIZED DRINKING WATER SOURCES IN SUZHOU

doi: 10.13205/j.hjgc.202105030

1. Suzhou Research Institute of Environmental Science, Suzhou 215000, China;
2. Suzhou Sucheng Environmental Technology Co., Ltd, Suzhou 215000, China

Received Date: 2020-07-02
Available Online: 2022-01-17

Abstract

Abstract

By collecting the routine monitoring data of the centralized drinking water sources in Suzhou from 2015 to 2019 and adopting the health risk assessment model recommended by the US EPA, a comprehensive health risk assessment was carried out on 12 water sources in use. The results showed that the average risk of carcinogens, non-carcinogens were 4.07×10^-5/a, 3.61×10^-9/a and 4.07×10^-5/a for total health risk respectively. The rank of total health risk by water sources was Changjiang Xinhaiba water source (5.33×10^-5)>Changshu Changjiang Rive water source (4.68×10^-5)>Yangcheng Lake water source (4.49×10^-5)>Zhenhu Tai Lake water source (4.30×10^-5)>Gonghu jinshuwan Tai Lake water source (4.14×10^-5)>Liuhekou Changjiang Rive water source (3.96×10^-5)>Siqian Tai Lake water source (3.95×10^-5)>Puppet Lake water source (3.79×10^-5)>ShangLake water source (3.77×10^-5)>Yuyangshan Taihu Lake water source (3.69×10^-5)>Miaogang Taihu Lake water source (3.46×10^-5)>North tingzi Taihu Lake water source (3.39×10^-5); by region, they were in the sequence of Zhangjiagang City>Industrial Park>Changshu City>Xiangcheng District>High tech Zone>Taicang City>Wuzhong District>Gusu District>Kunshan City>Wujiang District; the carcinogenic risk was higher than that of non-carcinogenic. More attention should be paid to Cr(Ⅵ) and Cd for carcinogens and fluoride for non-carcinogens. In general, water sources in Suzhou were relatively safe and their risk rank were within the maximum acceptable risk threshold recommended by USEPA.
- water source,
- health,
- risk assessment,
- spatiotemporal distribution

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