Is there lead in Louisville's tap water?
3.3PPBLead in Louisville's water at the latest test, from 2023 to 2025
Below 15, the level that requires action
Below 15, the level that requires action
2 public water companies list Louisville as a place they supply. The biggest is Louisville's water department, with about 1,400 people. The highest latest result among Louisville's water companies is 3.3 parts per billion, at Louisville's water department. None of the 2 with results was above 15 at its latest test.