Is there lead in Denville's tap water?
4.3PPBLead in Denville Township Water Department's water at the latest test, from 2024 to 2026
Below 15, the level that requires action
Below 15, the level that requires action
3 public water companies list Denville as a place they supply. The biggest is the Denville Township Water Department, with about 15,881 people. The highest latest result among Denville's water companies is 4.3 parts per billion, at the Denville Township Water Department. None of the 3 with results was above 15 at its latest test.