Watercolour of a small house at dusk, with the water meter cover in the sidewalk out front.

Is there lead in Mexico's tap water?

1.2PPBparts per billion of lead in Mexico's water at the latest test, in tests since 2025

Under the legal limit of 15 ppb

Water companies that supply Mexico

3 public water companies list Mexico as a place they supply. The biggest is Mexico's water department, with about 2,100 people. The highest latest result among Mexico's water companies is 3.7 parts per billion, at the Mexico Town Water District. None of the 3 with results was above 15 at its latest test. Small ones like S&E MHP LLC - Route 11 supply just their own grounds or street; most of Mexico gets its water from Mexico's water department. Your water bill names yours.

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