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

Is there lead in San Jose's tap water?

NO LEADfound in Ilfeld Mdwca's water at the latest test, from January to June 2026

Too little lead to measure

Water companies that supply San Jose

3 public water companies list San Jose as a place they supply. The biggest is Ilfeld Mdwca, with about 249 people. None of the 2 with results was above 15 at its latest test. 2 found too little lead to measure. Small ones like San Jose Mdwca supply just their own grounds or street; most of San Jose gets its water from Ilfeld Mdwca. 1 has no lead test results on file. Your water bill names yours.

Ilfeld Mdwcaabout 249 people · latest lead test: none found · 575-421-3892
San Juan Mdwcaabout 136 people · latest lead test: none found · 575-421-3892
San Jose Mdwcaabout 119 people · 303-618-1703

Next: is my pipe lead? · who pays? · which filter?