Is there lead in Oak Brook's tap water?
0.5PPBLead in Oak Brook's water at the latest test, from 2024 to 2026
Below 15, the level that requires action
Below 15, the level that requires action
2 public water companies list Oak Brook as a place they supply. The biggest is Oak Brook's water department, with about 9,400 people. The highest latest result among Oak Brook's water companies is 0.5 parts per billion, at Oak Brook's water department. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.