Prioritization of control factors for heavy metals in groundwater based on a source-oriented health risk assessment model

Han, Wenjing, Pan, Yujie, Welsch, Emily, Liu, Xiaorui, Li, Jiarui, Xu, Shasha, Peng, Hongxia, Wang, Fangtin, Li, Xuan, Shi, Huanhuan, Chen, Wei and Huang, Changsheng (2023) Prioritization of control factors for heavy metals in groundwater based on a source-oriented health risk assessment model. Ecotoxicology and Environmental Safety, 267. ISSN 0147-6513

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Abstract

Heavy metals (HMs) in groundwater seriously threaten ecological safety and human health. To facilitate the effective management of groundwater contamination, priority control factors of HMs in groundwater need to be categorized. A total of 86 groundwater samples were collected from the Huangpi district of Wuhan city, China, during the dry and wet seasons. To determine priority control factors, a source-oriented health risk assessment model was applied to compare the pollution sources and health risks of seven HMs (Cu, Pb, Zn, Cr, Ni, As, and Fe). The results showed that the groundwater had higher As and Fe contents. The sources of HM pollution during the wet period were mainly industrial and agricultural activities and natural sources. During the dry period, origins were more complex due to the addition of domestic discharges, such as sewage wastewater. Industrial activities (74.10% during the wet period), agricultural activities (53.84% during the dry period), and As were identified as the priority control factors for groundwater HMs. The results provide valuable insights for policymakers to coordinate targeted management of HM pollution in groundwater and reduce the cost of HM pollution mitigation.

Item Type:	Article
Official URL:	https://www.sciencedirect.com/journal/ecotoxicolog...
Additional Information:	© 2023 The Authors
Divisions:	Geography & Environment
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences G Geography. Anthropology. Recreation > GB Physical geography
Date Deposited:	14 May 2024 08:30
Last Modified:	21 Nov 2024 05:57
URI:	http://eprints.lse.ac.uk/id/eprint/123422

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