
Just under 15, the level that requires action
3 public water companies list Winnsboro as a place they supply. The biggest is Winnsboro Town of (2010001), with about 10,391 people. The highest latest result among Winnsboro's water companies is 12 parts per billion, at Winnsboro Town of (2010001). None of the 3 with results was above 15 at its latest test. 2 found too little lead to measure.