
Below 15, the level that requires action
2 public water companies list Corydon as a place they supply. The biggest is the South Harrison Water Corporation, with about 9,057 people. The highest latest result among Corydon's water companies is 1.4 parts per billion, at the South Harrison Water Corporation. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.