
Below 15, the level that requires action
8 public water companies list Juana Diaz as a place they supply. The biggest is Experimental, with about 6,445 people. The highest latest result among Juana Diaz's water companies is 7 parts per billion, at Guardia Nacional De Pr Fort Allen. None of the 4 with results was above 15 at its latest test. 4 have no lead test results on file.