Blood lead levels (BLL) in children are associated with lead in soil and represent a major public health problem; however, there are few reports of lead contamination related to mining waste sites in Mexico. Therefore, we conducted a cross-sectional study in the State of Guerrero to identify the association between proximity of residence to mining site waste and BLL in children. The impact of the different variables related to BLL were analyzed with logistic regression. Geometric mean BLL was 13.6 μg/dL, 15.9 μg/dL in communities proximal to waste sites and 5.5 μg/dL in a distant control community. Children living in communities near the mining waste have higher BLL that children living in communities far away from the waste. Our results are similar to studies in other countries and indicate that mining waste sites remain an active source of BLL contamination that affect children’s health.
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