ABSTRACT
The occurrence of arsenic (As) in groundwater sources is worldwide problematic. In Mexico, the As concentrations exceed the acceptable limit of 10 µg/L established by the WHO (World Health Organization), and by the Mexican regulations of 25 µg/L, causing adverse health effects in the population. The aim of this study was to conduct a health risk assessment for two populations (children and adults, for the occurrence of As in groundwater sources with the historical data of the states of Chihuahua, Coahuila, Durango, San Luis Potosí, Sonora and Zacatecass.
