
Below 15, the level that requires action
2 public water companies list Dona Ana as a place they supply. The biggest is Dona Ana Mdwca, with about 16,987 people. The highest latest result among Dona Ana's water companies is 1.9 parts per billion, at Dona Ana Mdwca. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.