The health risks from drinking local shallow groundwater for adults and children were estimated. The results show the current concentrations of α-HCH, heptachlor, heptachlor epoxide, aldrin,dieldrin in the shallow groundwater in majority of the areas of TLR may pose serious cancer risk to the local population, especially to children, and the aldrin and dieldrin were the main cancer risk factors in the shallow groundwater of TLR.