Los desechos de las minas abandonadas del Distrito Minero San Antonio-El Triunfo, Baja California Sur, contienen altas concentraciones de metales y metaloides (Pb, Cd, Zn, As, entre otros).Tailings from the abandoned mines of the San Antonio-El Triunfo mining district, Baja California Sur, contain high levels of metals and metalloids (Pb, Cd, Z, As). Over the years, these elements have polluted nearby sediments and water bodies.