Is there lead in Hillsboro's tap water?
1.1PPBLead in Hillsboro's water at the latest test, from January to June 2026
Below 15, the level that requires action
Below 15, the level that requires action
3 public water companies list Hillsboro as a place they supply. The biggest is Hillsboro's water department, with about 4,402 people. The highest latest result among Hillsboro's water companies is 1.1 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. 1 has no lead test results on file.