The Characteristics of Heavy Metal Content and Health Risk Assessment in Groundwater of Jialing District
To clarify the content and health risks of heavy metals in groundwater in Jialing District,the groundwater bodies of 14 townships in Jialing District were selected as the research objects.The content of six heavy metals,Cr,Zn,Cu,As,Cd,and Pb,in the samples was analyzed,and statistical analysis and health risk models were used to explore the sources and existing human health risks of heavy metals.The results show that the area of groundwater in different water periods in the area has not occurred,but the distribution of heavy metals is more discretely distributed and affected by human activities.Pb and Zn and As and Cd have similar sources.There are no non-carcinogenic risks for adults and children,but As may have high carcinogenic risks to children in the flat water period and rich water period.Therefore we can't stay in its appearance content when paying attention to the risks of heavy metal environment in the area in the area.The results of this article are expected to provide reference for the prevention and control of the groundwater in Jialing District and the safe use of local residents.