Is there lead in Matteson's tap water?
8.6PPBLead in Matteson'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
2 public water companies list Matteson as a place they supply. The biggest is Matteson's water department, with about 18,293 people. The highest latest result among Matteson's water companies is 8.6 parts per billion, at Matteson's water department. None of the 2 with results was above 15 at its latest test.