
Too little lead to measure
2 public water companies list Hillsboro as a place they supply. The biggest is the East Central Regional Water District-Traill, with about 2,800 people. The highest latest result among Hillsboro's water companies is 2.1 parts per billion, at Hillsboro's water department. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.